Designed to drill through wood within walls for installing computer, security, phone, and cable small wire systems, this auger drill bit makes installations quick and easy This flex auger drill bit also features the following: Aggressive tip drills through wood and other similar materials with ease Holes on the bit head and chuck allow for pulling of wires after drilling 54" length for even greater reach than standard drill bits Black oxide coated shaft and powder coated blue for greater rigidity, durability, and rust resistance