Irwin Impact TURBOMAX® Bits 1/2 in. Dia. x 4-1/4 in. L

One-piece construction withstands higher torque loads than standard quick-change bitsExclusive TURBOMAX® tip minimizes walking, delivers 10X faster starts, and stays sharp longer*Made from premium high speed steel with black oxide finish for added corrosion resistance1/4" quick-change shank is designed to work with impact drivers, and reduces slipping in standard drill chucks