1/2in Dr. 21mm (12 pt.) Thin Wall Deep Impact Socket

Genius Tools Impact Socket 21mm Deep Thin Wall 1/2 Inch Drive 12-Point CR-Mo Steel - 448521 Impact Socket This 21mm deep thin wall impact socket is built for tight-clearance fastening where a standard wall socket may not fit. The 12-point profile and deep length support secure engagement on compatible fasteners while maintaining access in recessed locations. Made from Chromium Molybdenum Alloy Steel, it is designed for high strength, durability, and anti-corrosive performance. Clear, stamped size markings help with fast identification during tool setup and organization. Key Benefits Thin wall design reaches fasteners in tight clearances without sacrificing strength. 21mm, 12-point configuration supports consistent engagement on compatible nuts and bolts. 1/2in drive size with 85mm length for deeper, recessed fasteners. Chromium Molybdenum alloy steel construction delivers high strength and durability. Heat treated through oil quenching for tough exterior and strong inner core. Matte black oxide coating helps resist corrosion in demanding work environments. Stamped size markings provide permanent, quick identification in the toolbox. This impact socket is designed for professional technicians who need reliable performance and consistent fitment across frequent, heavy use.