This OIML Class M2 10 gram calibration weight has an accuracy of +/- 6 milligrams (0.006 grams).
Use this calibration weight alone, or combine it with more weights to accurately calibrate your digital weighing scale.
Q: what are the actual dimensions of this weights? Thank you
A: Hey there Ian,It's about 1 cm in diameter and about 1.85 cm high.Take care,Brandon