Service Wrench, Alloy Steel, Satin, Head Size 2 1/2 in, Overall Length 8 1/2 in, 30°/ OVERALL LENGTH: 9.500 INCHES NOMINAL WRENCHING SURFACE SIZE: 2.500 INCHES NOMINAL SINGLE END HEAD ANGLE: 30.0 DEGREES NOMINAL WRENCHING SURFACE SHAPE: OVAL SINGLE END INTERNAL SPECIAL FEATURES: SATIN FINISH MATERIAL: STEEL OVERALL SURFACE TREATMENT: CHROMIUM OVERALL STYLE DESIGNATOR: 81 SINGLE HEAD