Socket, 1/2 in Drive Size, 29 mm Socket Size, 12-Point, Alloy Steel, Chrome Finish/ OVERALL LENGTH: 82.5 MILLIMETERS NOMINAL WRENCHING SURFACE SIZE: 29.0 MILLIMETERS NOMINAL SINGLE END DRIVE SURFACE SIZE: 0.500 INCHES NOMINAL SINGLE END FEATURES PROVIDED: MANUAL TOOL WRENCHING SURFACE SHAPE: 12 POINT SINGLE END INTERNAL DRIVE END SHAPE: SQUARE SINGLE END INTERNAL SPECIAL FEATURES: DEEP LENGTH MATERIAL: STEEL OVERALL SURFACE TREATMENT: CHROMIUM OVERALL STYLE DESIGNATOR: 168 INTERNAL-INTERNAL SUPPLEMENTARY FEATURES: INDUSTRIAL QUALITY (IQ) TOOLS PROGRAM ITEM