The Irwin Speedbor 12" Drill Bit Extension is engineered to provide easy access in confined areas, compatible with both electric and hand power drills using twist or percussion action. The quick-attach metal clamp allows for fast, secure bit changes, while the exclusive V-Cutter design enables faster cutting with less effort and extended edge life.
Featuring a high-speed steel tip with a 3X harder cutting edge for exceptional durability, this extension is an ideal solution for use with Speedbor hole saws and longer drill bits. Sold carded for convenient retail packaging.