3/4in Dr. 21mm Deep Impact Socket

Genius Tools Deep Impact Socket 21mm 3/4 Inch Drive Chrome Molybdenum Durable Heavy-Duty - 649521 Professional Impact Socket This 21mm deep impact socket is built for demanding fastening work where strength, fit, and consistent performance matter. The 6-point profile helps maintain solid contact on fasteners, while the deep, 90mm (3.54in) length reaches recessed hardware more easily. Manufactured from Chromium Molybdenum Alloy Steel (CR-Mo) and finished with a matte black oxide coating, it's designed for high-strength impact use and improved corrosion resistance. Heat treatment through oil quenching supports a tough exterior and strong inner core for long-term service. Key Benefits 21mm 6-point impact design supports secure engagement and torque transfer. 3/4in drive size matches heavy-duty impact tools and professional setups. Deep 90mm (3.54in) length helps access fasteners set below surfaces. Chromium Molybdenum alloy steel construction delivers strength for repeated impact use. Matte black oxide coating helps protect against corrosion in shop environments. Stamped size markings provide fast identification and long-lasting tool organization. Meets or exceeds ANSI standards for dependable fit, performance, and consistency. Heat treated through oil quenching and engineered for professional technicians, this socket is designed to hold up under heavy use while remaining easy to identify in a drawer or cart.