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![Irwin Lock-n-load Quick Change Extension - 12" Irwin Lock-n-load Quick Change Extension - 12"](https://cdn11.bigcommerce.com/s-qz13ep5fb4/images/stencil/290x290/products/88438/238941/0a643de7-f880-4937-99fd-bd8b1263ca59__15572.1674885114.jpg?c=1)
Recommended For All 1/4" Round Shank Drill Bits Requiring Extra Reach. Follows 5/8" & Larger Bits Through Hole, 1/4" Shank. Only Fits Round-shank Speedbor Bits.
Recommended For All 1/4" Round Shank Drill Bits Requiring Extra Reach. Follows 5/8" & Larger Bits Through Hole, 1/4" Shank. Only Fits Round-shank Speedbor Bits.