Box End Wrench, Alloy Steel, Satin, Head Size 15/16 in, 1 in, Overall Length 14 in, 60°/ OVERALL LENGTH: 13.750 INCHES MINIMUM AND 15.750 INCHES MAXIMUM WRENCHING SURFACE SIZE: 0.938 INCHES NOMINAL FIRST END WRENCHING SURFACE SIZE: 1.000 INCHES NOMINAL SECOND END WRENCHING SURFACE SHAPE: 12 POINT BOTH ENDS INTERNAL WRENCHING END OFFSET ANGLE: 10.0 DEGREES NOMINAL MATERIAL: STEEL OVERALL SURFACE TREATMENT: CHROMIUM OVERALL STYLE DESIGNATOR: 41 ANGULAR OFFSET DOUBLE HEAD SPECIFICATION/STANDARD DATA: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 1 CLASS AND A STYLE