• 7.7" x 7.0" VibraKill® Pad

• Expansion Tray

• 20 Gram Calibration Weight

• Four AA Batteries

• Two Weight Displays?

  That's right. Jennings designed this jewelry scale with two, bright blue, LCD weight displays...one on the front, and one on the back. So whether you load the scale from the front or the back, you won't have a problem seeing your weights.

• Auto-Off Feature

  If ya have ever had the batteries in something run out because you forgot to turn it off, you'll realize what a blessing this feature is. The Mack-20 will automatically turn off after a few moments of inactivity, saving battery power and money.

• Bright Backlit Display

  This digital scale has a fancy, blue, backlit display to help ya see your weight readings, even in dim lighting.

• Hinged Protective Windscreen

  When you're weighing with high precision scales like this one, even the tiniest breeze can interfere with weight readings. This Jennings scale comes with an attached windscreen to keep out those pesky drafts. The protective cover is hinged, just press the button on the side to release it and lift it out of the way.

• It Remembers The Last Unit Ya Used

  If your application needs weights in the same unit of measurement, (like ounces for instance), it can be a real pain if your scale always turns on ready to weigh in grams. It's a good thing the Mack turns on displaying the unit of measurement you were using when ya turned it off.

• It Has WeighMeter™ Technology!

  If ya put too much weight, (more than the capacity of the scale) on any scale it can cause permanent damage. Unfortunately, most scales warn ya of an overload after it's too late. Luckily this digital scale comes with WeighMeter Technolgy to tell ya when you're coming close to the maximum capacity. This will save ya from overloading your scale and damaging it beyond repair.

• Easy Calibration

  To make sure ya keep getting the best weight readings from your scale, it helps to calibrate it from time to time. This jewelry scale has instructions to make calibrating your scale easy. The Mack even comes with the 20 gram calibration weight ya need to use.

• Tare Feature

  The tare button on the front of this digital scale can be pressed to "zero out" the weight on the scale. You can then add more weight, and the display will only show the weight of the items you're adding. This sure is useful when ya want to use the included expansion tray to weigh your things, or if ya want to get separate weights of multiple items.

• Liquid Level Indicator

  This very handy feature helps you quickly and easily get your scale nice and level. A level scale is important for getting the most accurate weight readings.

• Four Useful Accessories

  The Mack 20 comes with great accessories. Use the VibraKill® Pad under the Mack to keep vibrations from messing up your weight readings, and the calibration weight to keep it nice and accurate. If you're looking to use the Mack as a diamond scale or carat scale, the little expansion bowl is perfect for weighing those teeny tiny jewelry pieces. You'll even get a set off batteries so ya can start weighing as soon as ya get it.

• Kill Those Vibrations With VibraKill®

  Did ya know that vibrations can cause a scale's reading to bounce around from one weight to another? Included with this digital scale is a VibraKill® Pad to keep vibrations, (caused by everyday items like, your fridge, nearby music, your washing machine, etc...) from messing up your weighing.

• 20 YEAR MANUFACTURER'S WARRANTY!

  If ya have a problem with this scale within the first twenty years ya own it, just send it in to the Jennings warranty center right here in the USA. They'll fix or replace your scale, and have it on it's way back to ya within two working days.

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