Dewalt Drill Bit Set, Titanium Nitride Coated, 14-Piece (Dw1354) Our IMPACT READY Titanium Nitride Coated drilling accessories now come in ToughCase+ system, the latest addition to our acccessory storage line. The ToughCase+ system is a connectable case system designed to optimize storage space and keep your bits organized. The patented bit-bar design of the Titanium Nitride Coated drill bit set allows for easy bit removal and the clear lid allows you to see inside at a glance. Constructed from one solid piece of heavy-duty metal, DEWALT IMPACT READY Titanium Nitride Coated 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 helps to reduced bit walking. The drill bit sets are ideal for metal, wood, and plastic. Connectable accessory storage system to optimize storage space of the drill bits for wood, metal and plastic Patented bit-bar design of the drill bits allows easy removal of bits and customizable placement Clear lid allows you to easily see contents at glance DEWALT drill bit set comes with clip latch for secure closing Small Bulk Storage size fits inside the Small and Medium ToughCase plus (sold separately) - Ideal for organizing loose bits Patented web taper increases the rigidity of the bit to decrease potential for bit breakage Proprietary PILOT POINT tip delivers speed and clear, burr-free holes which help reduce bit walking Ideal for metal, wood, and plastic