Specification Brand : Ohaus BulletPoint1 : Metric, ASTM Class 1 calibration weight for calibrating other weights, or electronic balances and scales BulletPoint2 : Stainless steel construction for stability, resistance to corrosion, and low magnetic susceptibility BulletPoint3 : Straight cylinder with flat top for stacking BulletPoint4 : Meets American Society for Testing and Materials (ASTM) E617, Class 1 specification for use as a reference standard for calibrating other weights and high-precision balances with readabilities as low as 0.1mg to 0.01mg BulletPoint5 : Optional NVLAP certificate ensures precision and traceability ItemName : Ohaus Stainless Steel ASTM Class 1 Electronic Balance Calibration Weight, 40g ItemPackageDimensions_Height : 7.366 centimeters ItemPackageDimensions_Length : 15.748 centimeters ItemPackageDimensions_Width : 12.192 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : calibration-weights ItemVolume : 0.02 milliliters Manufacturer : Ohaus Material : Stainless Steel ModelNumber : 80780025 NumberOfItems : 1 PartNumber : 80780025 ProductSiteLaunchDate : 2011-03-02T00:00:01-00:00 Size : 40g, ASTM Class 1 StreetDate : 2017-05-15T00:00:01Z UnitCount : 1