The MILWAUKEE® Big Hawg hole cutters are specifically designed for drilling large holes in rough wood applications with the speed and longevity that HVAC, plumbing, and other professional contractors require. Three hardened steel teeth provide maximum durability against unintended nail impacts. The Big Hawg hole cutter cuts up to 600 holes in wood without needing to be re-sharpened. The Big Hawg Pilot Bit is used with all Big Hawg Hole Cutters.