Calibration Weight Nominal Mass 0.5 lb Calibration Weight Class 7 Calibration Certificate Traceable - Accredited Calibration Weight Style Slotted Calibration Weight Material Cast Iron Measurement Type Avoirdupois Number of Pieces 1 Finish Painted Calibration Weight Compliance Agency ASTM Overall Height 0.42 in Overall Length 3.75 in Calibration Tolerance 160 mg