3/4in Dr. 21mm(12 pt.) Thin Wall Impact Socket

Genius Tools Impact Socket 21mm 3/4 Inch Drive 12-Point Thin Wall CR-Mo Steel - 655221 Impact Socket This 3/4in drive, 21mm thin wall impact socket is built for impact applications where access is limited and strength still matters. The 12-point profile supports fast engagement, while the thin wall design helps reach hardware in tighter clearances. Made from Chromium Molybdenum Alloy Steel, it delivers high strength and durability with anti-corrosive properties. The socket is heat treated through oil quenching and finished with a matte black oxide coating to create a tough exterior and strong inner core for long-term professional use. Key Benefits 3/4in drive 21mm 12-point thin wall profile for tight-access fastening. Chromium Molybdenum Alloy Steel construction for high strength and durability. Anti-corrosive properties help resist wear and maintain long service life. Oil-quenched heat treatment supports a tough exterior and strong core. Matte black oxide coating improves durability and helps protect the surface. Size markings are stamped for permanent, quick, and accurate identification. Meets or exceeds ANSI standards for professional quality and performance. Overall length is 51mm (2.01 inches) for a compact, easy-to-handle format that fits common impact setups. SKU: 655221.