Specifically designed to handle the abuse that impact drivers dish out, the DEWALT Impact ready screw driving and accessory sets consists of the most commonly used bits that are made of a special steel designed to be ultra-durable. Each bit uses a black oxide process for greater wear resistance and strength. The tips in the set can be used with impact tools rated for up to 2,000-Inch/Pound of torque. The kit consists of a variety of different tips, including Phillips, square drive, and flat head bits. It also has come drivers, a magnetic tip holder and various double and single sided tips. Comes in a tough case to keep it organized and easy to transport.