Cut through hardwood, wet wood, or 4x4s with this bi-metal self-feeding bit. Built with a high-speed steel cutting edge and a chamfered edge, this durable drill bit produces clean, smooth holes with a quick and easy pull. It features a replaceable lead screw and can be sharpened with a file. It measures seven inches in overall length, two inches in diameter with a shank size of 1/2 an inch, a 1 1/2-inch pipe entrance, and a 1 7/8-inch tubing entrance.