DEWALT IMPACT READY titanium drill bits are up to 5 times more durable than 2-piece conventional bits. A patented web taper helps to increase bit strength, and a proprietary PILOT POINT tip delivers speed and clear, burr-free holes with help to reduce bit walking. Ideal for metal, wood, and plastic. Includes: (2) 1/8 in., 1/16 in., 5/64 in., 3/32 in., 7/64 in., 9/64 in., 5/32 in., 3/16 in., 7/32 in., 1/4 in., 5/16 in., 3/8 in. and 1/2 in. bits.