Sonic E-Torx sockets are the opposite or reverse of a Torx bit. Many more fasteners in vehicles, including domestic, are using Torx head (male) fasteners, thus the need for E-torx sockets. Sonic E-Torx sockets are made from tough Chrome-Vanadium steel for strength and durability, and they are covered by a lifetime warranty. Shop our 3/8" Torx Sockets constructed from chrome vanadium. Featuring knurled grip and thin walls. Available in a variety of sizes for all projects.