Specification Brand : Proline Amazon BulletPoint1 : V block clamp set ; 90 degree Vee blocks BulletPoint2 : Block Size: 1-3/8" x 1-3/8" x 1-3/16" ; Capacity: 1-9/32" BulletPoint3 : Guaranteed square parallel within 0.0002" BulletPoint4 : Made of hardened and ground chrome steel; Wooden storage case INCLUDED BulletPoint5 : Quantity: 1;Shipping Weight: 1.35 lbs;Wooden storage case dimension: 2-3/8''L x 4''W x 2-3/8'' ExternallyAssignedProductIdentifier : 3004945555219 ExternallyAssignedProductIdentifier1 : 769053011882 ExternallyAssignedProductIdentifier2 : 0769053011882 ExternallyAssignedProductIdentifier3 : 00769053011882 ItemName : 1-3/8" X 1-3/8" X 1-3/16" "V" Block & Clamp Set Pair ItemPackageDimensions_Height : 4.826 centimeters ItemPackageDimensions_Length : 11.938 centimeters ItemPackageDimensions_Width : 18.288 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : gage-blocks Manufacturer : Generic Material : Alloy Steel ModelNumber : 3402-0018 NumberOfItems : 1 PartNumber : 3402-0018 ProductDescription : 20 mm thick small calibration block for on-site checking of miniature shear wave probe index, time base, beam angle and gain. Includes a 25mm and 50 mm radius, 1.5mm hole, engraved reference mark scales from 40 to 75 degrees. In accordance with BS EN 27963:1992, ISO 7963:1985 Cal block No. 2, Fig. 1. Dimensions: 75mm x 43mm x 20mm Hole Diameter:1.5 Made of steel of 1018 Storage case included. ProductSiteLaunchDate : 2014-10-22T07:00:00.000Z Size : T=20/d1.5mm UnitCount : 1