The 6 bits that comprise the DEWALT 6-Piece Steel Brad-Point Drill Bit Set feature precise cutting edges that help limit splintering. Each steel bit uses brad-point tips and engineered flutes to help prevent drill walking and remove chips. Set includes 1/8 in., 3/16 in., 1/4 in., 5/16 in., 3/8 in. and 1/2 in. bits.