Open End Wrench, Alloy Steel, Satin, Head Size 7/16 in, 1/2 in, Overall Length 10 in, 15°/ OVERALL LENGTH: 10.000 INCHES NOMINAL WRENCHING SURFACE SIZE: 0.438 INCHES NOMINAL FIRST END WRENCHING SURFACE SIZE: 0.500 INCHES NOMINAL SECOND END WRENCHING SURFACE SHAPE: OVAL BOTH ENDS INTERNAL SMALL END HEAD ANGLE: 15.0 DEGREES NOMINAL LARGE END HEAD ANGLE: 15.0 DEGREES NOMINAL MATERIAL: STEEL OVERALL SURFACE TREATMENT: CHROMIUM OVERALL STYLE DESIGNATOR: 105 THIN DOUBLE HEAD