ASTM Class 1 Weights with Certificate
ASTM Class 1 Weights and Weight Sets with NVLAP Certificate
Weights from 5mg to 30kg are Stainless Steel. Weights from 1mg to 2mg are Aluminum.
Weight Sets include a Polycarbonate Case.
Individual Weights up to 500mg include a Polypropylene Case. Weights from 1g to 2kg include a Polycarbonate Case. Weights from 4kg to 30kg include a Polypropylene Case.