Genius Tools Impact Socket 8-7/16 Inch Jumbo Size 3-1/2 Inch Drive High-Strength CR-Mo Steel Durable Heavy-Duty - 928470

Genius Tools Impact Socket 8-7/16 Inch Jumbo Size 3-1/2 Inch Drive High-Strength CR-Mo Steel Durable Heavy-Duty - 928470 Impact Socket

Built for large fasteners and heavy-duty impact applications, this 3-1/2" drive jumbo impact socket delivers dependable fit and strength where standard sizes won’t work. The 8-7/16" size is clearly identified with permanently stamped markings for quick selection in a professional tool set.

Manufactured from Chromium Molybdenum Alloy Steel (CR-Mo), the socket is designed for high strength, durability, and anti-corrosive performance. Heat treatment through oil quenching and a matte black oxide coating support a tough exterior with strong inner core characteristics for long-term service.

Key Benefits

• 3-1/2 inch drive with 8-7/16 inch size for jumbo fasteners.
• 260mm (10.24 inch) overall length adds reach and working clearance.
• Chromium Molybdenum alloy steel construction supports high-strength impact performance.
• Anti-corrosive material properties help resist wear in demanding shop environments.
• Heat treated by oil quenching for durable exterior and strong inner core.
• Matte black oxide coating helps protect the surface during repeated impact use.
• Stamped size markings provide permanent, easy identification for faster tool organization.

Meets or exceeds ANSI standards and is designed for professional technicians who rely on consistent tool performance. Backed by the Genius Tools Limited Lifetime Warranty against manufacturer defects, this socket is suited for heavy use while maintaining durable construction and clear, long-lasting size identification.