Calibration Weight, Nominal Mass 1 lb, Calibration Weight Class 7, Calibration Certificate No Certificate, 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 0.453 in, Overall Length 5 in, Calibration Tolerance 270 mg