The Hougen Models HMD909 & HMD914 offer 230V and 115V power choices. They are equipped with a 16oz gravity feed coolant bottle, reverseable feed handles, and all Hougen safety features including the no adjustment safety switch. These models have the power to drill a 2-1/16" dia. hole up to 3" deep, without bogging down. They use Hougen "12,000-Series" Cutters or Copperhead Carbide Cutters. Making the drill even better is the many of accessories available. Equipped with positive slug ejection.