Impact Socket Bit, Metric, Drive Size 1/2 in, Overall Length 3 5/8 in, Tip Size 14 mm, Hex/ OVERALL LENGTH: 3.625 INCHES NOMINAL WRENCHING SURFACE SIZE: 14.0 MILLIMETERS NOMINAL SINGLE END DRIVE SURFACE SIZE: 0.500 INCHES NOMINAL SINGLE END FEATURES PROVIDED: POWER TOOL WRENCHING SURFACE SHAPE: HEXAGON SINGLE END EXTERNAL MATERIAL: STEEL OVERALL SURFACE TREATMENT: OXIDE OVERALL STYLE DESIGNATOR: 187C HEXAGON