The dewalt dt70545t 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 5 x 25mm pozidriv bits pz1 pz2x3 and pz3 3 x 25mm phillips bits ph1 ph2 and ph3 16 x 50mm pozidriv bits pz1x3 and pz2x13 7 x 50mm phillips bits ph1x2 and ph2x5 2 x 50mm torx bits t20 and t25 1 x magnetic slee