Genius Tools Impact Socket 21mm Semi-Deep Swivel 1/2 Inch Drive Heavy-Duty - 487921M

Genius Tools Impact Socket 21mm Semi-Deep Swivel 1/2 Inch Drive Heavy-Duty - 487921M Impact Socket

This 21mm semi-deep swivel impact socket is built for demanding fastening work where straight access is limited. The swivel design supports a full range of motion, helping you reach tight or obstructed areas while maintaining the strength expected from a 1/2" drive impact socket.

Made from chromium-vanadium steel alloy and finished in a matte black oxide coating, it is engineered for long-term durability and corrosion resistance. Clear, stamped size markings support fast identification during repairs and maintenance.

Key Benefits

• 1/2" drive 21mm swivel impact design supports full range of motion.
• Semi-deep 80mm length balances access, reach, and control in tight spaces.
• Chromium-vanadium steel alloy delivers high strength and durable performance.
• Heat treated through oil quenching for tough exterior and strong inner core.
• Matte black oxide coating improves protection with anti-corrosive properties.
• Permanently stamped size markings make identification quick and reliable.
• Meets or exceeds ANSI standards for quality and professional technician use.

SKU: 487921M. Designed for professional-grade service work, this swivel impact socket combines durable materials, heat treatment, and a protective finish to stand up to heavy use. Backed by the Genius Tools Limited Lifetime Warranty against manufacturer defects, it supports consistent results and dependable organization in your tool setup.