The DEWALT DWMT75423OSP 1/4-inch and 3/8-inch drive Torx socket set features DEWALT directtorque technology which helps to prevent rounding of fasteners and to provide better grip. The set includes a variety of sockets for your convenience - with this 10 pc combination socket set, you can be sure you have the right tool for the job. It has polished chrome vanadium finish, a knurled control ring, with hand stamped markings which make each piece easy to identify. Backed by DEWALT limited lifetime warranty. Set includes: 1/4 in drive Torx bit sockets: T15, T20, T25, T27, T30, T40, T45.