Interchangeable Torque Wrench Head, Drive Size H5, Size 17 mm, Overall Length 3 7/8 in/ OVERALL LENGTH: 3.875 INCHES NOMINAL END ITEM IDENTIFICATION: STANLEY PROTO TORQUE WRENCH HANDLES WITH H5 DRIVE TANG WRENCHING END OUTSIDE DIAMETER: 1.000 INCHES NOMINAL WRENCHING END HEAD THICKNESS: 0.625 INCHES NOMINAL DRIVE SURFACE SIZE: 0.375 INCHES NOMINAL SINGLE END SPECIAL FEATURES: INDEXED TO 7.5 DEGREES MATERIAL: STEEL OVERALL SURFACE TREATMENT: OXIDE OVERALL STYLE DESIGNATOR: 19 BOX END