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Built for maximum durability and long life with impact drivers
Patented jaw design is compatible with all 1/4" hex shank accessories including insert bits
Large chuck withstands higher torque demands of impact drills
Black oxide finish resists corrosion and increases life of extension
1/4" quick-change shank is designed to work with impact drivers, and reduces slipping in standard drill chucks
IRWIN Impact Performance Series Quick-Change Extensions are engineered for maximum durability and long life with impact drivers. and the patented jaw design is compatible with all 1/4" hex shank accessories, including insert bits. These extensions have a large chuck that withstands the high torque of impact drivers, and the black oxide finish resists corrosion and increases life of the extension. Plus, the 1/4" quick-change shank works with impact drivers and reduces slipping in standard drill chucks.