Box End Wrench, Alloy Steel, Satin, Head Size 5/8 in, 3/4 in, Overall Length 7 1/4 in, 15°/ OVERALL LENGTH: 7.250 INCHES NOMINAL WRENCHING SURFACE SIZE: 0.625 INCHES NOMINAL FIRST END WRENCHING SURFACE SIZE: 0.750 INCHES NOMINAL SECOND END WRENCHING SURFACE SHAPE: 12 POINT BOTH ENDS INTERNAL MATERIAL: STEEL OVERALL SURFACE TREATMENT: CHROMIUM OVERALL STYLE DESIGNATOR: 52 HALF-MOON DOUBLE HEAD SUPPLEMENTARY FEATURES: INDUSTRIAL QUALITY (IQ) TOOLS PROGRAM ITEM