The dewalt dt70543t contains bits that are specially designed to have an increased life the optimized torsion zone allows the bit to flex rather than break even when used in extreme applications the contoured area of the tip flexes with the torque of the impact driver contains the following 9 x 25mm pozidriv bits pz1 pz2x7 and pz3 5 x 25mm phillips bits ph1 ph2x3 and ph3 2 x 25mm torx bits t20 and t25 2 x 25mm slotted bits 4 and 6mm 8 x 50mm pozidriv bits pz1x2 and pz2x6 6 x 50mm phillips bits p