1/2in Dr. 21mm Deep Hand Socket

Genius Tools Deep Hand Socket 21mm 1/2 Inch Drive High-Strength Chrome Vanadium Steel - 427821 Deep Socket This 21mm deep hand socket is built for consistent fit and reliable torque on 6-point fasteners. The deep profile and 1/2in drive size help reach recessed hardware while staying compatible with common ratchets and drive tools. Manufactured from chromium-vanadium steel alloy, it combines high strength with anti-corrosive properties for demanding shop conditions. A chrome polished finish supports long-term corrosion resistance, while permanently stamped size markings improve identification and tool organization. Key Benefits 21mm 6-point deep socket profile helps reduce fastener rounding and slippage. 1/2in drive size fits standard ratchets, extensions, and torque tools. 78mm (3.07in) overall length reaches recessed nuts and bolts more easily. Chromium-vanadium steel alloy delivers high strength with anti-corrosive properties. Chrome polished finish provides a tough surface that resists corrosion. Permanently stamped size markings support fast identification and better tool organization. Designed for professional technicians and heavy-use environments, this deep socket balances durability, fit, and identification features in one straightforward tool. Its corrosion-resistant construction and clear size stamping make it dependable in daily service work while maintaining compatibility with 1/2in drive setups.