This 13-piece Tamper Proof Torx Bit Socket Set from US PRO includes sizes T8 through T70. The set features sockets with a 1/4-inch drive and 37mm length for sizes T8, T10, T15, T20, T25, T27, and T30. It also includes sockets with a 1.27 cm (0.5 inch) drive and 55mm length for T70, and 48mm length for T40, T45, T50, T55, and T60. The sockets are highly polished and made from Chrome Vanadium steel shafts for durability. The set comes in a case with dimensions of 12 cm (H) x 22 cm (W) x 5 cm (D).