Calibration Weight Nominal Mass 1 kg Calibration Weight Class 4 Calibration Certificate Non-Accredited Calibration Weight Style Cylinder Calibration Weight Material Stainless Steel Measurement Type Metric Number of Pieces 1 Finish Polished Calibration Weight Compliance Agency ANSI ASTM Overall Height 2.936 in Overall Width 2.1 in Calibration Tolerance 20 mg