... , 10kg, 20kg, 25kg, 50kg, 100kg, 200kg, 250kg, 500kg, 1000kg, 2000kg, 5000kg test weights, and produce as customer required.1. OIML mass tolerances ... .2. Produce according to OIML R-47 international standard.3. Weights of classes: E1, E2, F1, F2, M1, M2.4. Material ... sevice is available Cast Iron Calibration Test Weights Features & BenefitsHigh Quality Cast Iron Weights Nominal Values from 0.25 kg To ...