Calibration Weight Nominal Mass 2 lb Calibration Weight Class 7 Calibration Certificate Traceable - Accredited Calibration Weight Style Grip Handle Calibration Weight Material Cast Iron Measurement Type Avoirdupois Number of Pieces 1 Finish Painted Calibration Weight Compliance Agency ASTM Overall Height 4.56 in Overall Length 3 in Overall Width 2.12 in Calibration Tolerance 430 mg