Irwin Tools IRWIN Speedbor Drill Bit Set for Wood, 6-pc. (IWAX236PC)

Visible clear lid of the drill bit set are desgined for easy viewing of contents | Stackable - for convenient travel and storage of the drill bits for wood | Accessible drill bits for wood are made for customizable kits | Drills holes 2 times faster | Lasts 2 times longer | Chamfered cutting edges for increased durability | Patented Blue Groove parabolic scoop for faster chip removal | Designed for impact drivers with 1/4-inch impact rated shank