American Weigh Calibration Weight Kit, Class M2

American Weigh Calibration Weigh... American Weigh Calibration Weight Kit, Class M2 This weight kit is perfect for checking the accuracy of your precision digital or mechanical scales. Class: OIML Class M2 Gram Weights: 1 by 50g, 2 by 20g, 1 by 10g, 1 by 5g, 1 by 2g, 1 by 1g Milligram Weights: 1 by 500mg, 1 by 200mg, 1 by 100mg, 1 by 50mg, 2 by 20mg, 1 by 10mg Case dimension: 4.6 by 3-1.2 by 1.7-inch Suitable for general laboratory, commercial, and educational use