The DeWalt DT70739T-QZ 31pc FLEXTORQ Screwdriver Bit Set is a comprehensive set designed with a torque zone that absorbs the highlights in the torque, allowing optimal bit flexibility for maximum life in more demanding applications. Selected by professional users for maximum fastness and accessibility, with no reduction in performance. DeWalt's maglock bit tip holder provides 10x more magnetic hold while still making it easy to use. The bit tip holder has a removable cover for use with 25mm bits and a compact quick changer for use With 25mm + bits. The DT70739T screwdriver set is part of the Dewalt modular Toughcase accessory range. With the addition of the Tstak Caddy (available separately) you are able to securely store small bulk storage sets and connect them to the rest of your.