EXTREME DURABILITYHigh speed steel cutting edges provide long life in tough applications, includingnail-embedded woodOPTIMIZED FOR CORDLESS DRILLINGSmooth, effortless drilling extends battery lifeFAST CLEAN CUTTING3 cutting edges enhance chip removal for a fast, clean holeRESHARPENABLE Resharpen with LENOX® Diamond file product no. 25312DIAF1