Box End Wrench, Alloy Steel, Chrome, Head Size 17 mm, 19 mm, Overall Length 11 1/4 in, 15°/ OVERALL LENGTH: 11.000 INCHES NOMINAL WRENCHING SURFACE SIZE: 17.0 MILLIMETERS NOMINAL FIRST END WRENCHING SURFACE SIZE: 19.0 MILLIMETERS NOMINAL SECOND END FEATURES PROVIDED: FULL POLISH WRENCHING SURFACE SHAPE: 12 POINT BOTH ENDS INTERNAL MATERIAL: STEEL OVERALL SURFACE TREATMENT: CHROMIUM OVERALL STYLE DESIGNATOR: 41 ANGULAR OFFSET DOUBLE HEAD