Genius Tools Impact Socket 4-1/4 Inch Jumbo Size 3-1/2 Inch Drive High-Strength CR-Mo Steel Durable Heavy-Duty - 928336

Genius Tools Impact Socket 4-1/4 Inch Jumbo Size 3-1/2 Inch Drive High-Strength CR-Mo Steel Durable Heavy-Duty - 928336 Impact Socket

SKU: 928336. This jumbo impact socket is built for demanding service work where large fasteners require a 3-1/2" drive and a 4-1/4" socket size. The overall length is 178mm (7.01 inches) to provide practical reach while maintaining a stable, heavy-duty profile.

Constructed from Chromium Molybdenum Alloy Steel, it delivers high strength and durability with anti-corrosive properties. The socket is oil-quenched heat treated and finished with a matte black oxide coating, designed to create a tough exterior and a strong inner core for long-term professional use.

Key Benefits

• 3-1/2" drive with 4-1/4" size for jumbo impact fastening needs.
• 178mm (7.01") overall length supports access and leverage in tight setups.
• Chromium Molybdenum alloy steel resists wear under heavy impact loads.
• Oil-quenched heat treatment improves core strength for extended service life.
• Matte black oxide coating adds exterior durability and helps fight corrosion.
• Permanently stamped size markings speed identification and tool organization.
• Meets or exceeds ANSI standards; backed by limited lifetime warranty.

Designed for professional technicians, this impact socket emphasizes durability, clear size identification, and consistent performance under repeated heavy use. Its CR-Mo steel construction, heat treatment, and black oxide finish work together to maintain strength and reliability while meeting recognized ANSI requirements.