The all new VARI-BIT® is designed to give the user more – more speed from the PowerDrive™ tip, more burr-free cutting, and up to 2X more life. Designed with optimized geometries, the precision ground PowerDrive™ tip starts on contact with no walking allowing for aggressive cutting and quick penetration. VARI-BIT’s® dual-flute cutting edges provide clean, round holes for precise, burr-free holes, while 2X longer life drills more holes in less time. They that easily drill a wide range of materials including steel, sheet metal, stainless steel, aluminum, copper, brass, and plastics.