Genius Tools Deep Impact Socket 21mm 1/2 Inch Drive Chrome Molybdenum Durable Heavy-Duty - 447821

Genius Tools Deep Impact Socket 21mm 1/2 Inch Drive Chrome Molybdenum Durable Heavy-Duty - 447821 Impact Socket

This 21mm deep impact socket is built for demanding work where impact-rated strength, consistent fit, and long service life matter. The deep design helps reach recessed fasteners, while the 1/2" drive size suits common impact tools and professional ratchets.

Made from Chromium Molybdenum Alloy Steel and finished with a matte black oxide coating, it’s engineered to resist wear and corrosion in heavy-use environments. Clear, stamped size markings support faster tool selection and better organization on the job.

Key Benefits

• 1/2" drive, 21mm deep impact socket for high-torque impact applications.
• 78mm overall length provides reach for recessed or hard-to-access fasteners.
• Chrome molybdenum alloy steel construction delivers high strength and durability.
• Oil-quenched heat treatment supports a tough exterior and strong inner core.
• Matte black oxide coating adds protection against wear and corrosion.
• Permanently stamped size markings enable quick identification and tool organization.
• Meets or exceeds ANSI standards for professional-grade performance expectations.

SKU 447821 is backed by a Genius Tools Limited Lifetime Warranty against manufacturer defects and is designed for professional technicians who rely on consistent performance under heavy use. The combination of deep reach, durable Cr-Mo construction, and protective finish supports dependable results over time.