Black+Decker 16748 Rotary Drill Bit Set, Carbide, Silver, 5-Piece, For Corded or Cordless Drills

Carbide tip penetrates surfaces faster while the flute removes material faster, used in applications such as drilling anchor holes when installing flag poles, mail boxes and running electrical conduit. Includes one 3/16 in x 4 in, 1/4 in x 4 in, 5/16 in x 4 in, 3/8 in x 4 in, 1/2 in x 4 in and multi-purpose storage case.