Calibration Weight, Nominal Mass 50 x 0.5 lb, Calibration Weight Class 7, Calibration Certificate Statement of Accuracy, Calibration Weight Style Slotted, Calibration Weight Material Cast Iron, Measurement Type Avoirdupois, Includes Not Applicable, Number of Pieces 1, Finish Painted, Calibration Weight Compliance Agency ASTM, Overall Height 0.54 in, Overall Length 2.87 in, Calibration Tolerance 160 mg. This item has been restricted from sale in the following state (s): []