Williams 3/4″ Drive Hand Sockets and Drive Tools Feature: Unique Socket-Lok Safety Retention System features a spring-loaded locking button for maximum socket retention and quick disassembly when used with our Williams locking-button square drive tools and sockets. May also be used with all standard 3/4″ drive tools. Sockets feature a deep chamfer on the drive end to speed insertion onto the drive tool. Chamfered ends provide easy engagement of the drive tool and fastener. SuperTorque recessed corners in socket end provide extra turning power. High-polished chrome finish tools clean easily and resist rust. Designed for quick engagement on both 6 and 12 point fasteners