Irwin Impact Quick-Change Bit Extension 1/4" Shank, 12-Inch Length Size:1/4" x 12" Very Effective On Flat Surfaces

Very Effective On Flat Surfaces & In Hard To Reach Areas Like Slots

No other cartridges are certified to be fitted with this mask

1/4' shank

Tri-flute design for faster chip ejection

On-board bit storage allows for quick access to screwdriving bits

Irwin Impact Quick-Change Bit Extension 1/4" Shank, 12-Inch Length Size:1/4" x 12" Very Effective On Flat SurfacesPatented jaw design is compatible with all 1 4" hex shank accessories including insert bits Large chuck withstands higher torque demands of impact drills 1 4" quick change shank is designed to work with impact drivers, and reduces slipping in standard drill chucks