Combination Wrench, Alloy Steel, Satin, 22 mm Head Size, 12 1/2 in Overall Length/ OVERALL LENGTH: 318.1 MILLIMETERS NOMINAL WRENCHING SURFACE SIZE: 22.0 MILLIMETERS NOMINAL BOTH ENDS HEAD ANGLE: 15.0 DEGREES NOMINAL WRENCHING SURFACE SHAPE: OVAL FIRST END INTERNAL WRENCHING SURFACE SHAPE: 12 POINT SECOND END INTERNAL WRENCHING END OFFSET ANGLE: 15.0 DEGREES NOMINAL SPECIAL FEATURES: ANTI-SLIP DESIGN OPEN END; SATIN FINISH MATERIAL: STEEL OVERALL SURFACE TREATMENT: CHROMIUM OVERALL STYLE DESIGNATOR: 63 OFFSET