Calibration Weight Kit Nominal Mass 200g to 1mg Calibration Weight Class 4 Calibration Certificate No Certificate 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 500mg 50g 50mg 5g 5mg Case Forceps Number of Pieces 23 Finish Polished Calibration Weight Compliance Agency ANSI ASTM