Ricelake 45931 Precision Laboratory Weight Set, 13 Pieces, ASTM Class 0, 100 g - 100 mg

Features and Applications: Calibration Certificate already included ASTM Class 0 weight sets and individual weights are not individually marked with their weight value or individually serialized per ASTM E617-13 Calibrating Class I and Class II balances Calibrating ASTM Class 4, 5, and 6 weights Rough weighing operations Student laboratory use Tolerance Testing Verification Checks Case and lifting tweezers included