Irwin Impact TURBOMAX® Bits 7/16 in. Dia. x 4 in. L

One-piece construction withstands higher torque loads than standard quick-change bits
Exclusive 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 resistance
1/4" quick-change shank is designed to work with impact drivers, and reduces slipping in standard drill chucks