Calibration Weight, Nominal Mass 20 mg, Calibration Weight Class 4, Calibration Certificate Accredited, Calibration Weight Style Leaf, Calibration Weight Material Stainless Steel, Measurement Type Metric, Includes Vial, Number of Pieces 1, Finish Polished, Calibration Weight Compliance Agency ASTM, Overall Height 0.06 in, Overall Length 0.13 in, Overall Width 0.13 in, Calibration Tolerance 0.07 mg