Lenox 10955, 5pc Bi-Metal Utility Bit Set 3/4" - 1-1/4" Includes 3/4", 7/8", 1", 1-1/18", 1-1/14" *EXTREME DURABILITY- High speed steel cutting edges provide long life in tough applications, including nail-embedded wood *OPTIMIZED FOR CORDLESS DRILLING- Smooth, effortless drilling extends battery life *FAST CLEAN CUTTING- 3 cutting edges enhance chip removal for a fast, clean hole *RESHARPENABLE- Resharpen with LENOX® Diamond file