1/2in Dr. 21mm Hand Socket

Genius Tools Hand Socket 21mm 1/2 Inch Drive High-Strength Chrome Vanadium Steel - 423821 - Hand Socket This 21mm, 6-point hand socket is built for consistent engagement on fasteners when paired with a 1/2in drive ratchet or wrench. With an overall length of 40mm (1.57 inches), it provides a compact profile suited to everyday professional toolkits. Manufactured from Chromium-vanadium steel alloy and finished in chrome polish, it combines high strength with corrosion resistance. Permanently stamped size markings support quick identification and cleaner tool organization across socket sets and drawers. Key Benefits 21mm 6-point design supports secure fastener contact and reduces rounding. 1/2in drive size fits common ratchets and drive tools. 40mm overall length (1.57 inches) keeps access compact and controlled. Chromium-vanadium steel alloy provides high strength for heavy-use durability. Chrome polished finish resists corrosion and helps maintain a clean surface. Permanently stamped size marking improves identification and tool organization. Meets or exceeds ANSI standards for performance and quality consistency. SKU 423821 is designed and made for professional technicians and built to perform over a lifetime of heavy use.