The dewalt dt71514 features the compact rapid load bit holder which is designed for easy insertion and removal of hex shank accessories the integrated floating magnetic ring holds screws when used in conjunction with 25mm long screwdriver bits while the removable silver collar allows for easy cleaning of the tip from any debris or swarf build up this set is impact rated for use with impact drivers this set contains 2 x 25mm pz2 and pz31 x 25mm t251 x 50mm pz21 x 50mm t201 x compact rapid load b