Specification Brand : JSP BulletPoint : 36 PCS Inch GAGE BLOCK SET W. NIST Equivalent certificate,GRADE AS-1,#702-36-AS1 BulletPoint1 : Shop-Blox Rectangular Gage Block Set BulletPoint2 : Test, Measurement & Inspection BulletPoint3 : 36 PieceSpecifications BulletPoint4 : Material: Stainless Steel BulletPoint5 : Accuracy: +/-.000050 Color : Multicoloured ExternallyAssignedProductIdentifier1 : 0718767996237 ExternallyAssignedProductIdentifier2 : 718767996237 ItemName : Steel Bench Block 4 1/4 x 4 1/4"x1/2" 5 Units ItemPackageQuantity : 1 ItemTypeKeyword : gage-blocks Manufacturer : Fowler NumberOfItems : 36 PartNumber : BP2.1x5 ProductDescription : Durable, smooth surface for work hardening wire or other metal smithing projects. Easy to handle, simple to use. Heavy weight keeps block in place on your work table. Works with most wire gauges Will work with all types of wire, including Gold, Gold-filled, Sterling Silver, Copper. Measurements: 4 Inch x 4 Inch, 1/2 Inch thick. Item weighs over two pounds.(5 pieces) ProductSiteLaunchDate : 2018-04-09T07:00:00.000Z Style : Modern