3/8in Dr. 21mm Deep Impact Socket

Genius Tools Deep Impact Socket 21mm 3/8 Inch Drive Heavy-Duty Chrome Molybdenum Steel - 316321 Impact Socket This 3/8in drive 21mm deep impact socket is built for high-torque fastening where extra reach matters. The 63mm (2.48in) overall length helps access recessed fasteners while maintaining stable engagement under impact use. Made from Chromium-vanadium steel alloy for strength and durability, it also features anti-corrosive properties for longer service life. Sizes are stamped for clear, permanent identification during tool selection and organization. Key Benefits 3/8in drive, 21mm deep impact socket for demanding, high-torque applications. 63mm (2.48in) overall length reaches recessed fasteners with better accessibility. Chromium-vanadium steel alloy provides strength, durability, and anti-corrosive protection. Heat treated through oil quenching for a tough exterior and strong core. Matte black oxide coating adds a durable finish for professional workshop use. Permanently stamped size markings support fast identification and tool organization. Designed and made for professional technicians, this socket is engineered to hold up under heavy use while maintaining consistent performance. Its deep profile, stamped sizing, and heat-treated construction make it a dependable choice for daily impact work where strength, clarity, and durability matter.