Calibration Weight Kit, Nominal Mass 500mg to 1mg, Calibration Weight Class 6, Calibration Certificate No Certificate, Calibration Weight Style Cylinder, Calibration Weight Material Stainless Steel, Measurement Type Metric, Includes Case, Forceps, Number of Pieces 12, Calibration Weight Compliance Agency ANSI, ASTM, NIST, OIML. This item has been restricted from sale in the following state (s): []