Specification Brand : Vermont Gage BulletPoint1 : Hold cylindrical work pieces for inspection and machining BulletPoint2 : Two v-blocks per set BulletPoint3 : Made of alloy steel. Hardened to hrc60±2 BulletPoint4 : V groove on the top for large shafts. V groove on the bottom for small shafts BulletPoint5 : Suitable for cast iron surface plates and granite surface plates ExternallyAssignedProductIdentifier1 : 6928640355097 ExternallyAssignedProductIdentifier2 : 06928640355097 ItemName : 1 x 2 x 3 Block Set ItemPackageDimensions_Height : 2.36 inches ItemPackageDimensions_Length : 2.76 inches ItemPackageDimensions_Width : 3.15 inches ItemPackageQuantity : 1 ItemTypeKeyword : v-blocks Manufacturer : MEDA - SUPERIOR IMPORT ModelNumber : 6803-1 NumberOfItems : 1 PartNumber : A1720123 ProductDescription : Used in layout and setup work. Each set consists of 2 matched, hardened and precision-ground blocks. The squareness on all sides is within .0002” per inch. The blocks are supplied with a plus allowance of .0001” to .0003” to allow nominal lapping. Five tapped holes (3/8” - 16 for 1-2-3) are provided for clamping as well as 18 untapped, drilled holes ProductSiteLaunchDate : 2016-06-14T07:00:00.000Z StreetDate : 2017-05-15T00:00:01Z SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1