Specification AgeRangeDescription : adult Brand : SUGOOE BulletPoint1 : Parallel block set 1 x 2 x 3 inch, 0.0001’’, 2.1 lbs BulletPoint2 : 23 holes include 5 tapped 3/8"-16 holes and 18 untapped holes to support clamping, layout, and precise measurement in toolmaking BulletPoint3 : Made of CR50 steel, hardened to HRC55-62, it can resist wear and deformation, ensuring long-term reliability of workshop tasks BulletPoint4 : M8 bolts can be used for connection in mechanical processing of drilling machines, milling machines, flat pliers, etc BulletPoint5 : The package includes 2 1 x 2 x 3 inch pads machinist mounting pads Color : One Color ExternallyAssignedProductIdentifier : 7703002745070 IncludedComponents : Parallel Block Set ItemName : SUGOOE Pair 1 x 2 x 3 Inch Blocks 23 Holes, Precision Steel, 0.0001" Tolerances Parallel Block Set Used for Calibrating Equipment ItemPackageDimensions_Height : 3.15 inches ItemPackageDimensions_Length : 4.33 inches ItemPackageDimensions_Width : 1.18 inches ItemPackageQuantity : 1 ItemTypeKeyword : gage-blocks Manufacturer : SUGOOE MeasurementAccuracy : +/-0.01% ModelName : 32832040239 ModelNumber : 32832040239 NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : MFF006 ProductDescription : Accuracy with squareness on all sides within .0001" per inch ProductSiteLaunchDate : 2025-04-24T03:41:56.594Z Size : One Size SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 41111600