Specification Brand : Accusize Industrial Tools BulletPoint1 : 5 pcs/pack. With 23 Holes. Squareness: 0.0001". Parallelism: +/- 0.0001" BulletPoint2 : Height Accuracy in Pair: +/- 0.0001". Hardness: HRC 56-60. Oversize to allow nominal tapping BulletPoint3 : Finished from 6-16 micro inches. Nominal Tapping: 0.0001" to 0.0003". Surface finish BulletPoint4 : 5 holes tapped to 3/8-16 and others untapped. Precision ground on all sides. Squareness on all sides BulletPoint5 : Set includes: 5 socket head cap screws; 1 hex key. Packed in a fitted strong case Color : Silver ExternallyAssignedProductIdentifier : 8472763871364 ExternallyAssignedProductIdentifier1 : 663566034812 ExternallyAssignedProductIdentifier2 : 0663566034812 ItemDisplayWeight : 6.5 kilograms ItemName : Accusize Industrial Tools Ultra Precision 1-2-3 Blocks Set, with Bolts, 5 pcs/Pack, EG02-0408x5 ItemPackageDimensions_Height : 23.5 centimeters ItemPackageDimensions_Length : 31 centimeters ItemPackageDimensions_Width : 24 centimeters ItemPackageQuantity : 5 ItemShape : Rectangle ItemTypeKeyword : gage-blocks Manufacturer : Accusize Co., Ltd. Material : Alloy Steel NumberOfItems : 10 PackageLevel : case PartNumber : EG02-0408x5 ProductDescription : The Ultra Precision 1-2-3 Block Set with Screws in a Plastic Case, designated as #EG02-0408, stands out as a pinnacle of precision engineering, designed to meet the demanding needs of professionals in machining, metrology, and various precision applications. This meticulously crafted set of 1-2-3 blocks is a testament to quality and accuracy, providing a reliable foundation for precise measurements and setups. ProductSiteLaunchDate : 2023-12-04T00:00:00.000-08:00 RecommendedUsesForProduct : Machining Layout; Workholding