DescriptionOhaus, 80850269, 49016-11/C 1 kg ASTM Class 1 Individual Calibration Weights with NVLAP Certificate1 kg ASTM Class 1, Individual Calibration Weights, Boxed, with NVLAP Certificate,...
300 g ASTM Class 1 Electronic Balance Weight without Certificate, CylinderFeaturesCan be used as a reference standard in calibrating other weights and is appropriate for calibrating high-precision...