Fed. Spec: ANSI B107.10M Features • 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. • Two-piece ratchet design for maximum versatility. • Knurled handle to provide a firm, non-slip grip and extra turning power. • Narrow pear-shaped head for access into confined work areas. • High-polished chrome finish for easy cleaning. • Chamfered ends provide easy engagement of the drive tool and fastener. • Extended Handle extends from 23-1/2" to 36"