Impact Socket, Socket Size 33 mm, Socket Shape 6-Point, Drive Type Impact, Drive Size 1 in/ OVERALL LENGTH: 61.9 MILLIMETERS NOMINAL WRENCHING SURFACE SIZE: 33.0 MILLIMETERS NOMINAL SINGLE END DRIVE SURFACE SIZE: 1.000 INCHES NOMINAL SINGLE END FEATURES PROVIDED: POWER TOOL WRENCHING SURFACE SHAPE: 6 POINT SINGLE END INTERNAL DRIVE END SHAPE: SQUARE SINGLE END INTERNAL MATERIAL: STEEL OVERALL SURFACE TREATMENT: OXIDE OVERALL STYLE DESIGNATOR: 168 INTERNAL-INTERNAL SPECIFICATION/STANDARD DATA: 05047-ASME B107.110 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD NONDEFINITIVE SPEC/STD DATA: 2 CATEGORY AND 1 TYPE