1/2in Dr. 21mm 12-pt. Hand Socket

Genius Tools Hand Socket 21mm 1/2 Inch Drive 12-Point High-Strength Chrome Vanadium Steel - 433821 hand socket SKU: 433821. This 1/2 inch drive, 21mm, 12-point hand socket is built for controlled fit and dependable engagement on compatible fasteners. Its 40mm (1.57 inch) overall length helps balance access and handling in a compact profile. Made from chromium-vanadium steel alloy and finished with a chrome polished surface, it is designed for high strength and corrosion resistance. Size markings are stamped for quick, permanent identification when organizing or selecting sockets. Key Benefits 1/2 inch drive with 21mm, 12-point profile for precise engagement. 40mm (1.57 inch) overall length supports access in tighter areas. Chromium-vanadium steel alloy delivers high strength and long-term durability. Chrome polished finish provides tough, corrosion-resistant surface protection. Permanently stamped size markings improve tool organization and fast identification. Meets or exceeds ANSI standards for consistent performance expectations. This professional-grade socket is designed and made for technicians who expect repeatable results over extended service life. The durable alloy construction, corrosion-resistant finish, and clear size identification support efficient workflow and reliable performance under regular, heavy use.