This Lenox 1094806A1216 is a Bi-Metal Utility Bit with an overall length of 6" and a 3/4" hole size. It features high-speed cutting edges, ideal for nail-embedded wood and tough applications. Designed for cordless drilling, this utility bit is hassle-free and extends battery life as well. Its 3-cutting edges help in removing the bit through the wood faster and easier while leaving a clean, precise hole. You could use this tool as long as you want as it can be resharpened with Lenox Diamond File (25312DIAF1). This 1094806A1216 utility bit is one of Lenox's reliable tool accessories that provides the convenience you need without spending a lot of extra effort and time normally associated with lower quality tools.