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.
Features:
- 21mm deep impact socket for 1/2" drive impact tools and ratchets
- Chrome molybdenum alloy steel construction supports strength and durability
- Deep 78mm length helps reach recessed or hard-to-access fasteners
- Meets or exceeds ANSI standards for professional technician use and heavy applications
- Oil-quenched heat treatment and matte black oxide coating resist wear and corrosion
- Stamped size markings provide permanent, easy identification for tool organization
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