1/2in Dr. 21mm Hex Head Driver 76mmL

Genius Tools Hex Head Driver 21mm Size 1/2 Inch Drive 76mm Length Durable Steel Construction - 447621 Impact Hex Bit Socket This 21mm hex head driver is built as a 1/2in drive impact bit socket for consistent fit and dependable strength. With a 76mm (2.99in) overall length, it balances access and control for applications requiring a hex bit socket in an impact-ready format. Constructed from Chromium Molybdenum Alloy Steel, it delivers high strength, durability, and anti-corrosive properties. Permanent size stamping supports fast identification during tool organization and reduces time spent checking markings. Key Benefits 21mm hex impact bit socket helps reduce fastener rounding and slippage. 1/2in drive size suits common impact and ratchet setups in shops. 76mm overall length provides reach while maintaining stable tool control. Chromium Molybdenum Alloy Steel construction supports high strength and durability. Black oxide coating and heat treatment withstand rigorous professional technician use. Permanently stamped size markings enable quick identification and cleaner tool organization. SKU 447621 is designed for long-term service in demanding environments, combining heat-treated strength with corrosion resistance and clear size identification. The impact-ready build and black oxide finish help it stand up to repeated use while maintaining reliable performance over time.