Westward 4UHF5 Impact Socket Impact Socket, 1-inch drive size fits with most impact wrenches and ratchets, maximizing your versatility. Constructed from steel, features exceptional strength and durability, resisting wear and tear even in harsh environments. is the perfect choice for professional mechanics and DIY enthusiasts who require a powerful, reliable tool to conquer even the toughest jobs such as construction, Manufacturing, andAutomotive repair. Drive Size / 1 Inch Number of Points / 6 Overall Length / 2-5/8 Inch Finish / Black Material / Heat Treated Alloy Steel Standards / Federal Specification GGG-W-660A, ANSI B107.19