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Old Will's exclusive "Capacity / Resolution Scale Finder". It's part of why finding scales here is so easy.

Individual Calibration Weights

Our individual calibration weights are available in many different classes in masses as light as 1 milligram and as heavy as 30 kilograms. Our calibration weights are great for calibrating your scale and they can be used to test the accuracy of your scales from time to time.

See all of our calibration weights
Subcategories
114 products in this category More results: 1 2 Next Page
Average Rating (3) reviews M2 Calibration Weight - 1 gram M2 Calibration Weight - 1 gram
Old Will's Price: $2.04
Your Price Today: $2.04

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OIML Class M2 Calibration Weight.
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Average Rating (0) reviews M2 Calibration Weight - 10 gram M2 Calibration Weight - 10 gram
Old Will's Price: $2.04
Your Price Today: $2.04

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OIML Class M2 Calibration Weight.
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Average Rating (1) reviews M2 Calibration Weight - 5 gram M2 Calibration Weight - 5 gram
Old Will's Price: $2.04
Your Price Today: $2.04

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OIML Class M2 Calibration Weight.
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Average Rating (18) reviews M2 Calibration Weight - 100 gram M2 Calibration Weight - 100 gram
Old Will's Price: $2.84
Your Price Today: $2.84

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Digital scales come factory calibrated, but there's a chance they can fall out of calibration during shipping or after use. Use this OIML Class M2 100g calibration weight to test and calibrate your digital scale, so ya know it's nice and accurate.

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Average Rating (5) reviews M2 Calibration Weight - 50 gram M2 Calibration Weight - 50 gram
Old Will's Price: $3.04
Your Price Today: $3.04

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OIML Class M2 Calibration Weight.
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Average Rating (1) reviews M2 Calibration Weight - 20 gram M2 Calibration Weight - 20 gram
Old Will's Price: $3.04
Your Price Today: $3.04

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OIML Class M2 Calibration Weight.
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Average Rating (0) reviews M2 Calibration Weight - 150 gram M2 Calibration Weight - 150 gram
Old Will's Price: $4.44
Your Price Today: $4.44

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OIML Class M2 Calibration Weight.
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Average Rating (10) reviews M2 Calibration Weight - 200 gram M2 Calibration Weight - 200 gram
Old Will's Price: $6.04
Your Price Today: $6.04

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OIML Class M2 Calibration Weight.
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Average Rating (4) reviews M2 Calibration Weight - 300 gram M2 Calibration Weight - 300 gram
Old Will's Price: $7.44
Your Price Today: $7.44

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OIML Class M2 Calibration Weight.
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Average Rating (8) reviews M2 Calibration Weight - 500 gram M2 Calibration Weight - 500 gram
Old Will's Price: $11.91
Your Price Today: $11.91

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OIML Class M2 Calibration Weight.
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Average Rating (5) reviews M2 Calibration Weight - 1000 gram M2 Calibration Weight - 1000 gram
Old Will's Price: $15.70
Your Price Today: $15.70

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OIML Class M2 Calibration Weight.
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Average Rating (2) reviews M2 Calibration Weight - 2000 gram M2 Calibration Weight - 2000 gram
Old Will's Price: $20.27
Your Price Today: $20.27

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OIML Class M2 Calibration Weight.
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Average Rating (0) reviews F1 Calibration Weight - 500 milligram F1 Calibration Weight - 500 milligram
Old Will's Price: $29.70
Your Price Today: $29.70

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OIML Class F1 ISO Compliant Calibration Weight with or without NVLAP certificate.
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Average Rating (0) reviews F1 Calibration Weight - 50 milligram F1 Calibration Weight - 50 milligram
Old Will's Price: $29.70
Your Price Today: $29.70

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OIML Class F1 ISO Compliant Calibration Weight with or without NVLAP certificate.
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Average Rating (0) reviews F1 Calibration Weight - 5 milligram F1 Calibration Weight - 5 milligram
Old Will's Price: $29.70
Your Price Today: $29.70

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OIML Class F1 ISO Compliant Calibration Weight with or without NVLAP certificate.
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Average Rating (0) reviews F1 Calibration Weight - 1 milligram F1 Calibration Weight - 1 milligram
Old Will's Price: $29.70
Your Price Today: $29.70

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OIML Class F1 ISO Compliant Calibration Weight with or without NVLAP certificate.
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Average Rating (0) reviews F1 Calibration Weight - 10 milligram F1 Calibration Weight - 10 milligram
Old Will's Price: $29.70
Your Price Today: $29.70

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OIML Class F1 ISO Compliant Calibration Weight with or without NVLAP certificate.
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Average Rating (0) reviews F1 Calibration Weight - 200 milligram F1 Calibration Weight - 200 milligram
Old Will's Price: $29.70
Your Price Today: $29.70

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OIML Class F1 ISO Compliant Calibration Weight with or without NVLAP certificate.
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Average Rating (0) reviews F1 Calibration Weight - 20 milligram F1 Calibration Weight - 20 milligram
Old Will's Price: $29.70
Your Price Today: $29.70

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OIML Class F1 ISO Compliant Calibration Weight with or without NVLAP certificate.
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Average Rating (0) reviews F1 Calibration Weight - 2 milligram F1 Calibration Weight - 2 milligram
Old Will's Price: $29.70
Your Price Today: $29.70

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OIML Class F1 ISO Compliant Calibration Weight with or without NVLAP certificate.
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Average Rating (0) reviews F1 Calibration Weight - 100 milligram F1 Calibration Weight - 100 milligram
Old Will's Price: $29.70
Your Price Today: $29.70

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OIML Class F1 ISO Compliant Calibration Weight with or without NVLAP certificate.
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Average Rating (0) reviews ASTM Class 4 Calibration Weight - 500 milligram ASTM Class 4 Calibration Weight - 500 milligram
Old Will's Price: $31.50
Your Price Today: $31.50

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ASTM Class 4 Calibration Weight with or without NVLAP certificate.
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Average Rating (0) reviews ASTM Class 4 Calibration Weight - 50 milligram ASTM Class 4 Calibration Weight - 50 milligram
Old Will's Price: $31.50
Your Price Today: $31.50

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ASTM Class 4 Calibration Weight with or without NVLAP certificate.
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Average Rating (0) reviews ASTM Class 4 Calibration Weight - 10 milligram ASTM Class 4 Calibration Weight - 10 milligram
Old Will's Price: $31.50
Your Price Today: $31.50

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ASTM Class 4 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews ASTM Class 4 Calibration Weight - 1 milligram ASTM Class 4 Calibration Weight - 1 milligram
Old Will's Price: $31.50
Your Price Today: $31.50

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ASTM Class 4 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews ASTM Class 4 Calibration Weight - 5 milligram ASTM Class 4 Calibration Weight - 5 milligram
Old Will's Price: $31.50
Your Price Today: $31.50

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ASTM Class 4 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews ASTM Class 4 Calibration Weight - 200 milligram ASTM Class 4 Calibration Weight - 200 milligram
Old Will's Price: $31.50
Your Price Today: $31.50

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ASTM Class 4 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews ASTM Class 4 Calibration Weight - 20 milligram ASTM Class 4 Calibration Weight - 20 milligram
Old Will's Price: $31.50
Your Price Today: $31.50

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ASTM Class 4 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews ASTM Class 4 Calibration Weight - 100 milligram ASTM Class 4 Calibration Weight - 100 milligram
Old Will's Price: $31.50
Your Price Today: $31.50

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ASTM Class 4 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews ASTM Class 4 Calibration Weight - 2 milligram ASTM Class 4 Calibration Weight - 2 milligram
Old Will's Price: $31.50
Your Price Today: $31.50

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ASTM Class 4 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews E2 Calibration Weight - 500 milligram E2 Calibration Weight - 500 milligram
Old Will's Price: $44.10
Your Price Today: $44.10

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OIML Class E2 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews E2 Calibration Weight - 50 milligram E2 Calibration Weight - 50 milligram
Old Will's Price: $44.10
Your Price Today: $44.10

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OIML Class E2 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews E2 Calibration Weight - 5 milligram E2 Calibration Weight - 5 milligram
Old Will's Price: $44.10
Your Price Today: $44.10

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OIML Class E2 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews E2 Calibration Weight - 200 milligram E2 Calibration Weight - 200 milligram
Old Will's Price: $44.10
Your Price Today: $44.10

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OIML Class E2 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews E2 Calibration Weight - 20 milligram E2 Calibration Weight - 20 milligram
Old Will's Price: $44.10
Your Price Today: $44.10

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OIML Class E2 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews E2 Calibration Weight - 2 milligram E2 Calibration Weight - 2 milligram
Old Will's Price: $44.10
Your Price Today: $44.10

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OIML Class E2 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews E2 Calibration Weight - 100 milligram E2 Calibration Weight - 100 milligram
Old Will's Price: $44.10
Your Price Today: $44.10

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OIML Class E2 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews E2 Calibration Weight - 10 milligram E2 Calibration Weight - 10 milligram
Old Will's Price: $44.10
Your Price Today: $44.10

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OIML Class E2 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews E2 Calibration Weight - 1 milligram E2 Calibration Weight - 1 milligram
Old Will's Price: $44.10
Your Price Today: $44.10

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OIML Class E2 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews ASTM Class 4 Calibration Weight - 2 gram ASTM Class 4 Calibration Weight - 2 gram
Old Will's Price: $45.90
Your Price Today: $45.90

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ASTM Class 4 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews ASTM Class 4 Calibration Weight - 5 gram ASTM Class 4 Calibration Weight - 5 gram
Old Will's Price: $45.90
Your Price Today: $45.90

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ASTM Class 4 Calibration Weight with or without NVLAP certificate.
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Average Rating (0) reviews ASTM Class 4 Calibration Weight - 1 gram ASTM Class 4 Calibration Weight - 1 gram
Old Will's Price: $45.90
Your Price Today: $45.90

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ASTM Class 4 Calibration Weight with or without NVLAP certificate.
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Average Rating (0) reviews ASTM Class 3 Calibration Weight - 50 gram ASTM Class 3 Calibration Weight - 50 gram
Old Will's Price: $47.25
Your Price Today: $47.25

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Digital scales come factory calibrated, but there's a chance they can fall out of calibration during shipping or after use. Use this ASTM Class 3 50g calibration weight to test and calibrate your digital scale, so ya know it's nice and accurate.

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Average Rating (0) reviews M2 Calibration Weight - 5000 gram M2 Calibration Weight - 5000 gram
Old Will's Price: $48.76
Your Price Today: $48.76

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OIML Class M2 Calibration Weight.
(item received may differ from image)

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Average Rating (0) reviews F1 Calibration Weight - 1 gram F1 Calibration Weight - 1 gram
Old Will's Price: $49.50
Your Price Today: $49.50

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OIML Class F1 ISO Compliant Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews F1 Calibration Weight - 2 gram F1 Calibration Weight - 2 gram
Old Will's Price: $49.50
Your Price Today: $49.50

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OIML Class F1 ISO Compliant Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews F1 Calibration Weight - 5 gram F1 Calibration Weight - 5 gram
Old Will's Price: $49.50
Your Price Today: $49.50

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OIML Class F1 ISO Compliant Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews ASTM Class 4 Calibration Weight - 10 gram ASTM Class 4 Calibration Weight - 10 gram
Old Will's Price: $51.30
Your Price Today: $51.30

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ASTM Class 4 Calibration Weight with or without NVLAP certificate.
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Average Rating (1) reviews ASTM Class 2 Calibration Weight - 100 gram ASTM Class 2 Calibration Weight - 100 gram
Old Will's Price: $52.26
Your Price Today: $52.26

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Digital scales come factory calibrated, but there's a chance they can fall out of calibration during shipping or after use. Use this ASTM Class 2 100g calibration weight to test and calibrate your digital scale, so ya know it's nice and accurate.

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Average Rating (0) reviews ASTM Class 3 Calibration Weight - 200 gram ASTM Class 3 Calibration Weight - 200 gram
Old Will's Price: $52.26
Your Price Today: $52.26

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Digital scales come factory calibrated, but there's a chance they can fall out of calibration during shipping or after use. Use this ASTM Class 3 200g calibration weight to test and calibrate your digital scale, so ya know it's nice and accurate.

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Average Rating (0) reviews F1 Calibration Weight - 10 gram F1 Calibration Weight - 10 gram
Old Will's Price: $55.80
Your Price Today: $55.80

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OIML Class F1 ISO Compliant Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews ASTM Class 4 Calibration Weight - 20 gram ASTM Class 4 Calibration Weight - 20 gram
Old Will's Price: $55.80
Your Price Today: $55.80

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ASTM Class 4 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews F1 Calibration Weight - 20 gram F1 Calibration Weight - 20 gram
Old Will's Price: $61.20
Your Price Today: $61.20

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OIML Class F1 ISO Compliant Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews ASTM Class 4 Calibration Weight - 50 gram ASTM Class 4 Calibration Weight - 50 gram
Old Will's Price: $63.90
Your Price Today: $63.90

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ASTM Class 4 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews ASTM Class 4 Non-Polished Calibration Weight - 100 gram ASTM Class 4 Non-Polished Calibration Weight - 100 gram
Old Will's Price: $63.90
Your Price Today: $63.90

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ASTM Class 4 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews F1 Calibration Weight - 50 gram F1 Calibration Weight - 50 gram
Old Will's Price: $69.30
Your Price Today: $69.30

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OIML Class F1 ISO Compliant Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews ASTM Class 1 Calibration Weight - 1 milligram ASTM Class 1 Calibration Weight - 1 milligram
Old Will's Price: $72.00
Your Price Today: $72.00

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ASTM Class 1 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews ASTM Class 1 Calibration Weight - 1 gram ASTM Class 1 Calibration Weight - 1 gram
Old Will's Price: $72.00
Your Price Today: $72.00

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ASTM Class 1 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews ASTM Class 1 Calibration Weight - 100 milligram ASTM Class 1 Calibration Weight - 100 milligram
Old Will's Price: $72.00
Your Price Today: $72.00

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ASTM Class 1 Calibration Weight with or without NVLAP certificate.
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Average Rating (0) reviews ASTM Class 1 Calibration Weight - 500 milligram ASTM Class 1 Calibration Weight - 500 milligram
Old Will's Price: $72.00
Your Price Today: $72.00

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ASTM Class 1 Calibration Weight with or without NVLAP certificate.
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Average Rating (0) reviews ASTM Class 1 Calibration Weight - 50 milligram ASTM Class 1 Calibration Weight - 50 milligram
Old Will's Price: $72.00
Your Price Today: $72.00

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ASTM Class 1 Calibration Weight with or without NVLAP certificate.
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Average Rating (0) reviews ASTM Class 1 Calibration Weight - 10 milligram ASTM Class 1 Calibration Weight - 10 milligram
Old Will's Price: $72.00
Your Price Today: $72.00

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ASTM Class 1 Calibration Weight with or without NVLAP certificate.
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Average Rating (0) reviews ASTM Class 1 Calibration Weight - 10 gram ASTM Class 1 Calibration Weight - 10 gram
Old Will's Price: $72.00
Your Price Today: $72.00

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ASTM Class 1 Calibration Weight with or without NVLAP certificate.
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Average Rating (0) reviews ASTM Class 1 Calibration Weight - 5 milligram ASTM Class 1 Calibration Weight - 5 milligram
Old Will's Price: $72.00
Your Price Today: $72.00

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ASTM Class 1 Calibration Weight with or without NVLAP certificate.
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Average Rating (0) reviews ASTM Class 1 Calibration Weight - 5 gram ASTM Class 1 Calibration Weight - 5 gram
Old Will's Price: $72.00
Your Price Today: $72.00

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ASTM Class 1 Calibration Weight with or without NVLAP certificate.
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Average Rating (0) reviews ASTM Class 1 Calibration Weight - 200 milligram ASTM Class 1 Calibration Weight - 200 milligram
Old Will's Price: $72.00
Your Price Today: $72.00

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ASTM Class 1 Calibration Weight with or without NVLAP certificate.
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Average Rating (0) reviews ASTM Class 1 Calibration Weight - 20 milligram ASTM Class 1 Calibration Weight - 20 milligram
Old Will's Price: $72.00
Your Price Today: $72.00

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ASTM Class 1 Calibration Weight with or without NVLAP certificate.
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Average Rating (0) reviews ASTM Class 1 Calibration Weight - 20 gram ASTM Class 1 Calibration Weight - 20 gram
Old Will's Price: $72.00
Your Price Today: $72.00

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ASTM Class 1 Calibration Weight with or without NVLAP certificate.
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Average Rating (0) reviews ASTM Class 1 Calibration Weight - 2 milligram ASTM Class 1 Calibration Weight - 2 milligram
Old Will's Price: $72.00
Your Price Today: $72.00

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ASTM Class 1 Calibration Weight with or without NVLAP certificate.
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Average Rating (0) reviews ASTM Class 1 Calibration Weight - 2 gram ASTM Class 1 Calibration Weight - 2 gram
Old Will's Price: $72.00
Your Price Today: $72.00

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ASTM Class 1 Calibration Weight with or without NVLAP certificate.
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Average Rating (0) reviews ASTM Class 4 Non-Polished Calibration Weight - 300 gram ASTM Class 4 Non-Polished Calibration Weight - 300 gram
Old Will's Price: $72.90
Your Price Today: $72.90

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ASTM Class 4 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews ASTM Class 4 Non-Polished Calibration Weight - 200 gram ASTM Class 4 Non-Polished Calibration Weight - 200 gram
Old Will's Price: $77.40
Your Price Today: $77.40

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ASTM Class 4 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews E2 Calibration Weight - 1 gram E2 Calibration Weight - 1 gram
Old Will's Price: $79.20
Your Price Today: $79.20

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Ohaus OIML Class E2 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews E2 Calibration Weight - 10 gram E2 Calibration Weight - 10 gram
Old Will's Price: $79.20
Your Price Today: $79.20

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OIML Class E2 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews E2 Calibration Weight - 2 gram E2 Calibration Weight - 2 gram
Old Will's Price: $79.20
Your Price Today: $79.20

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OIML Class E2 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews E2 Calibration Weight - 5 gram E2 Calibration Weight - 5 gram
Old Will's Price: $79.20
Your Price Today: $79.20

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OIML Class E2 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews ASTM Class 4 Calibration Weight - 100 gram ASTM Class 4 Calibration Weight - 100 gram
Old Will's Price: $80.10
Your Price Today: $80.10

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ASTM Class 4 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews ASTM Class 1 Calibration Weight - 50 gram ASTM Class 1 Calibration Weight - 50 gram
Old Will's Price: $82.80
Your Price Today: $82.80

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ASTM Class 1 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews F1 Calibration Weight - 100 gram F1 Calibration Weight - 100 gram
Old Will's Price: $83.70
Your Price Today: $83.70

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OIML Class F1 ISO Compliant Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews M2 Calibration Weight - 10,000 Gram M2 Calibration Weight - 10,000 Gram
Old Will's Price: $91.50
Your Price Today: $91.50

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OIML Class M2 10 kilogram Calibration Weight.
(item received may differ from image)

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Average Rating (0) reviews E2 Calibration Weight - 20 gram E2 Calibration Weight - 20 gram
Old Will's Price: $93.60
Your Price Today: $93.60

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OIML Class E2 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews ASTM Class 1 Calibration Weight - 200 gram ASTM Class 1 Calibration Weight - 200 gram
Old Will's Price: $95.00
Your Price Today: $95.00

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Digital scales come factory calibrated, but there's a chance they can fall out of calibration during shipping or after use. Use this ASTM Class 1 200g calibration weight to test and calibrate your digital scale, so ya know it's nice and accurate.

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Average Rating (0) reviews ASTM Class 4 Non-Polished Calibration Weight - 500 gram ASTM Class 4 Non-Polished Calibration Weight - 500 gram
Old Will's Price: $97.20
Your Price Today: $97.20

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ASTM Class 4 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews ASTM Class 1 Calibration Weight - 100 gram ASTM Class 1 Calibration Weight - 100 gram
Old Will's Price: $99.90
Your Price Today: $99.90

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ASTM Class 1 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews ASTM Class 1 Calibration Weight - 500 gram ASTM Class 1 Calibration Weight - 500 gram
Old Will's Price: $100.50
Your Price Today: $100.50

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Digital scales come factory calibrated, but there's a chance they can fall out of calibration during shipping or after use. Use this ASTM Class 1 500g calibration weight to test and calibrate your digital scale, so ya know it's nice and accurate.

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Average Rating (0) reviews ASTM Class 2 Calibration Weight - 1000 gram ASTM Class 2 Calibration Weight - 1000 gram
Old Will's Price: $100.50
Your Price Today: $100.50

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Digital scales come factory calibrated, but there's a chance they can fall out of calibration during shipping or after use. Use this ASTM Class 2 1000g calibration weight to test and calibrate your digital scale, so ya know it's nice and accurate.

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Average Rating (0) reviews ASTM Class 4 Calibration Weight - 2000 gram ASTM Class 4 Calibration Weight - 2000 gram
Old Will's Price: $100.50
Your Price Today: $100.50

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Digital scales come factory calibrated, but there's a chance they can fall out of calibration during shipping or after use. Use this ASTM Class 4 2000g calibration weight to test and calibrate your digital scale, so ya know it's nice and accurate.

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Average Rating (0) reviews E2 Calibration Weight - 50 gram E2 Calibration Weight - 50 gram
Old Will's Price: $106.20
Your Price Today: $106.20

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OIML Class E2 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews ASTM Class 4 Non-Polished Calibration Weight - 400 gram ASTM Class 4 Non-Polished Calibration Weight - 400 gram
Old Will's Price: $109.80
Your Price Today: $109.80

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ASTM Class 4 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews F1 Calibration Weight - 200 gram F1 Calibration Weight - 200 gram
Old Will's Price: $110.70
Your Price Today: $110.70

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OIML Class F1 ISO Compliant Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews E2 Calibration Weight - 100 gram E2 Calibration Weight - 100 gram
Old Will's Price: $123.30
Your Price Today: $123.30

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OIML Class E2 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews ASTM Class 4 Non-Polished Calibration Weight - 1000 gram ASTM Class 4 Non-Polished Calibration Weight - 1000 gram
Old Will's Price: $127.80
Your Price Today: $127.80

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ASTM Class 4 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews ASTM Class 0 Calibration Weight - 100 gram ASTM Class 0 Calibration Weight - 100 gram
Old Will's Price: $144.72
Your Price Today: $144.72

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Digital scales come factory calibrated, but there's a chance they can fall out of calibration during shipping or after use. Use this ASTM Class 0 100g calibration weight to test and calibrate your digital scale, so ya know it's nice and accurate.

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Average Rating (0) reviews A&D AD-1700-20G 20 Gram Calibration Weight A&D AD-1700-20G 20 Gram Calibration Weight
Old Will's Price: $152.32
Your Price Today: $152.32

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A&D AD-1700-20G 20 Gram Calibration Weight for use with A&D moisture balances.

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Average Rating (0) reviews E2 Calibration Weight - 200 gram E2 Calibration Weight - 200 gram
Old Will's Price: $159.30
Your Price Today: $159.30

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OIML Class E2 Calibration Weight with or without NVLAP certificate.
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Average Rating (1) reviews ASTM Class 1 Calibration Weight - 200 gram ASTM Class 1 Calibration Weight - 200 gram
Old Will's Price: $159.30
Your Price Today: $159.30

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ASTM Class 1 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews ASTM Class 4 Non-Polished Calibration Weight - 2000 gram ASTM Class 4 Non-Polished Calibration Weight - 2000 gram
Old Will's Price: $159.30
Your Price Today: $159.30

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ASTM Class 4 Calibration Weight with or without NVLAP certificate.
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Average Rating (0) reviews F1 Calibration Weight - 500 gram F1 Calibration Weight - 500 gram
Old Will's Price: $165.60
Your Price Today: $165.60

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OIML Class F1 ISO Compliant Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews F1 Calibration Weight - 1000 gram F1 Calibration Weight - 1000 gram
Old Will's Price: $244.80
Your Price Today: $244.80

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OIML Class F1 ISO Compliant Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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Average Rating (0) reviews E2 Calibration Weight - 500 gram E2 Calibration Weight - 500 gram
Old Will's Price: $244.80
Your Price Today: $244.80

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OIML Class E2 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)

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