Calibration Weight Kit Nominal Mass 500g to 1mg Calibration Weight Class 4 Calibration Certificate Non-Accredited Calibration Weight Style Cylinder and Leaf Calibration Weight Material Alloy 8 Stainless Steel Measurement Type Metric Includes (2) 200g (2) 200mg (2) 20g (2) 20mg (2) 2g (2) 2mg 100g 100mg 10g 10mg 1g 1mg Weights 500g 500mg 50g 50mg 5g 5mg Case Lifter Number of Pieces 24 Finish Polished Calibration Weight Compliance Agency ANSI ASTM