Combination Wrench, Alloy Steel, Satin, 2 3/8 in Head Size, 31 1/2 in Overall Length/ OVERALL LENGTH: 31.500 INCHES NOMINAL WRENCHING SURFACE SIZE: 2.375 INCHES 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 MATERIAL: STEEL OVERALL SURFACE TREATMENT: CHROMIUM OVERALL STYLE DESIGNATOR: 63 OFFSET SPECIFICATION/STANDARD DATA: 05047-ASME B107.100 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD NONDEFINITIVE SPEC/STD DATA: 1 TYPE