- Patented micro-groove cutting edge and spurs produce a smoother hole finish
- Double spur design scribes the hole before the chips are made, producing a cleaner hole and reducing vibration
- Extra length provides added reach
- Not for use with bit extensions
- All extra-long flat bits are 16" long
![Irwin Speedbor® Extra-Long Flat Bits, 1/2" X 16", #IR-88708 (6/Pkg) Irwin Speedbor® Extra-Long Flat Bits, 1/2" X 16", #IR-88708 (6/Pkg)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/258287/443518/88706__76696.1666281004.jpg?c=2)