The Milwaukee 5-1/4" Big Hawg Hole Cutter (49-56-9055) is designed for HVAC, plumbing, and other professional contractors that need to drill large holes in rough wood applications with speed and long tool life. The Hole Cutter features aggressive tooth geometry for fast cutting and three hardened steel teeth that offer maximum durability against unintended nail impacts. The Big Hawg is durable and has a long life, it is capable of cutting up to 600 holes without needing resharpening.