Calibration Weight Kit Nominal Mass 2kg to 20g Calibration Weight Class 1 Calibration Certificate Accredited Calibration Weight Style Cylinder Calibration Weight Material Alloy 8 Stainless Steel Measurement Type Metric Includes 2kg 200g 20g Weights Carry Case Number of Pieces 3 Finish Polished Calibration Weight Compliance Agency ANSI ASTM