3/8in Dr. 21 mm Cr.-Mo Deep Impact Socket

Genius Tools Deep Impact Socket 21mm 3/8 Inch Drive Chrome Molybdenum Durable Heavy-Duty - 346321 Deep Impact Socket This 21mm deep impact socket is built for 3/8 inch drive impact work where consistent fit, fast identification, and long-term durability matter. The 6-point profile helps maintain contact on fasteners while supporting efficient torque transfer during demanding service. Constructed from Chromium Molybdenum alloy steel, it is designed for high strength with anti-corrosive properties. Heat treatment through oil quenching and a matte black oxide coating create a tough exterior and a strong inner core for professional use. Key Benefits 21mm deep, 6-point design helps reduce fastener rounding under load. 3/8 inch drive size suits a wide range of impact applications. 63mm overall length reaches recessed fasteners in tighter working areas. Chrome Molybdenum alloy steel delivers high strength and long-lasting durability. Matte black oxide coating supports protection with a rugged, wear-resistant finish. Heat treated via oil quenching for tough exterior and strong core. Permanently stamped size markings improve organization and quick socket selection. SKU 346321 is designed for professional technicians who need dependable hand tools built to handle heavy use.