The Premium Class E2 Weight Set is ideal for calibration of analytical balances with a 0.0001 g 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, 100mg to 100g, 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.