Specification Brand : SPI BulletPoint1 : 0.00 micron surface smoothness BulletPoint2 : Use to calibrate inside micrometers at either the high or low end of the range BulletPoint3 : Also ideal for dial bore gages, vernier/dial/electronic calipers, and other gages BulletPoint4 : Actual size is engraved on each setting ring BulletPoint5 : 2 pieces per order IncludedComponents : 1 Setting Ring ItemDisplayWeight : 0.5 pounds ItemName : SPI 10-719-3 Setting Ring: 1/2" ID x 1-1/2" OD x 0.393" Thick, Accurate to 0.0001" ItemPackageQuantity : 1 ItemTypeKeyword : calibration-setting-rings Manufacturer : MSC Industrial MeasurementAccuracy : 0.0004" ModelNumber : 10-719-3 NumberOfItems : 1 PartNumber : 6543946 ProductDescription : SPI 10-719-3 Setting Ring: 1/2" Inside Diameter x 1-1/2" Outside Diameter x 0.393" Thick, Accurate to 0.0001", 10.00micro m Surface Smoothness. Use to calibrate inside micrometers at either the high or low end of the range. Also ideal for dial bore gages, vernier/dial/electronic calipers, and other gages. Actual size is engraved on each setting ring. ProductSiteLaunchDate : 2024-01-09T21:23:28.978Z Size : 1/2" ID Style : 1" x 2" x 3" SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 41110000