Patterns Of Mass

Cast Iron, NIST, ASTM and OIML Classification

Grip-handle and the ability of the heavyweights of Class F, 7 and M1.Single slotted interlocking weights and hangers counterweight

Stainless steel, NIST ClassificationNIST Class F weights sets and individual cylindrical and leaves style

Electronic calibration weights, ASTM classification

04.01 ASTM Class stainless steel individual weights and kits. Grip-style handle and electronic calibration available in metric and avoirdupois.

Precision Lab Weights, ASTM classification

ASTM Class 0-4 individual stainless steel weights, equipment and sets. Screwed handles, a cylindrical piece styles, and sheet available in metric and avoirdupois.

Precision Lab, OIML Classification

Individual OIML weights stainless steel, kits and assemblies for class E1, E2, F1, F2, M1 and M2.