horusdy 14-piece tamper resistant star bits, s2 alloy steel, t5 - t40 security torx bit set (14-piece) horusdy <p>made of high-quality s2 steel, with sturdy hardened & tempered construction, perfectly matched to most standard tamper-resistant german-made star 6-point screws.</p> <p>this set includes 13pc 1/4-inch shank tamper resistant star bits and 1 standard t-5 star bit & ap connector</p> <p>tamper resistant sizes are: t-6, t-7, t-8, t-9, t-10, t-15, t-20, t-25, t-27, t-30, t-35, t-40, with storage sleeve orange case</p> <p>used in automobiles, repairs, trucks, automobiles, engines, motorcycles, interiors, dashboards, computers, cable boxes, toys, appliances and consumer electronics, drill bits can also be used in many other protected parts.</p> <p>designed to prevent cam-out the 6-lobe 1/4" shank hex bits clicks onto most standard sockets, screwdrivers, drill/driver kits & power tools attachments. the hole in the center in each bit causes it to be tamper resistance</p>