The premium class E2 weight set is ideal for calibration of analytical balances with a 0.0001g readability. Precision manufactured from high purity, 316 stainless steel (7.96kg/dm3), these weights are corrosion resistant with magnetic susceptibility < 0.005. The set includes 6 weights, 1x100mg, 1x10g, 2x20g, 1x50g, 1x100g, for checking repeatability, cornerload, linearity and span. The weights are supplied in a protective case with tweezers, a cleaning cloth and a Certificate of Verification.