Genius Tools Impact Socket 3-1/2 Inch Size 8-11/16 Inch Length 1 Inch Drive Heavy-Duty CR-Mo Steel Jumbo Design - 928478

Genius Tools Impact Socket 3-1/2 Inch Size 8-11/16 Inch Length 1 Inch Drive Heavy-Duty CR-Mo Steel Jumbo Design - 928478 Impact Socket

This jumbo impact socket is built for demanding fastening and removal work where strength, reach, and clear size identification matter. With a 3-1/2" drive and 8-11/16" size, it’s designed for heavy-duty impact applications and long-term durability.

Manufactured from Chromium Molybdenum Alloy Steel, it combines high strength with anti-corrosive properties. Heat treatment through oil quenching and a matte black oxide coating help create a tough exterior and strong inner core, supporting consistent performance over a lifetime of professional use.

Key Benefits

• 3-1/2" drive impact socket design supports heavy-duty professional applications.
• 8-11/16" size with jumbo design for high-torque impact tool use.
• 264mm (10.39") overall length helps provide added reach and leverage.
• Chromium Molybdenum Alloy Steel construction delivers high strength and durability.
• Matte black oxide finish helps resist wear while supporting long service life.
• Oil-quenched heat treatment improves core strength for sustained impact performance.
• Permanently stamped size marking enables fast identification and better tool organization.

Meets or exceeds ANSI standards and is backed by the Genius Tools Limited Lifetime Warranty against manufacturer defects. SKU: 928478. Built for technicians who need dependable impact sockets with durable materials, consistent heat treatment, and easy-to-read markings for efficient work.