Fed. Spec: ANSI B107.10M
• Williams 3/4" Drive Ratchet 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.
• High-polished chrome finish for easy cleaning.
• Chamfered ends provide easy engagement of the drive tool and fastener.