IRWIN 1881322 DRL BIT BLK OX 135 IMP 10PC SET PRO SET

One-piece construction withstands higher torque loads than standard quick-change bits135° split point minimizes "walking" and drills with less effort*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 chucksSpecificationsItem #Contains18812765-Piece Set (3/32", 7/64", 1/8", 9/64", 5/32")18813215-Piece Set (1/8" (2), 5/32", 3/16", 1/4")188132210-Piece Set (1/8" (2), 9/64", 5/32", 11/64", 3/16", 7/32", 1/4", 5/16", 3/8")188127712-Piece Set (1/16", 5/64", 3/32", 7/64", 1/8" (2), 9/64", 5/32", 3/16" (2), 7/32", 1/4", 3/8")