STEELMAN PRO 78275 6-Point 13/16-Inch Deep Impact Socket, 1/2-Inch Drive 13/16-inch SAE deep well impact socket Socket is made from durable chrome vanadium steel for long lasting durability Rust and corrosion resistant black oxide coating Socket is laser etched with size an easy to read size callout that won't fade or rub away 6-Point socket grips the sides of fasteners reducing the chance of wear or rounding A ball detent recess on the drive end helps hold the sockets securely onto ratchets, adapters, and extensions Works with all 1/2-inch drive ratchets and extensions