Metric, ASTM Class 1 calibration weight for calibrating other weights, or electronic balances and scales Stainless steel construction for stability, resistance to corrosion, and low magnetic susceptibility Cylindrical shape with groove for ease of lifting heavier weights Meets American…

For Thomas number 1109B10 Animal Balance, 1382F15, 1382F35 and 1382F65 Triple Beam Balances, to extend capacity to 2,610 grams Consisting of one 500 and two 1,000 gram weights (effective weight)