Our MAX* impact 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. DEWALT® MAX* impact screwdriving bits are engineered to last longer than standard bits. The dual torsion zone transfers optimal torque for imp