Our IMPACT READY screwdriving 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 allows for easy bit removal and the clear lid allows you to see inside at a glance. Specifically made to handle the force from impact drivers, IMPACT READY bits 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 can be used with impact tools rated for up to 2,000-Inch lbs. of torque.