US PRO 8pc 3/8''dr Star Bit Socket Set, Long Torx Tamper, Security set T25 - T60. This set includes 8 long Torx bits with a tamper-proof design, featuring a hole in the end. Manufactured by US PRO Tools, these bits are made from CRV steel and have a 3/8" drive. The bit length is 110mm. The set is supplied in a convenient tool box. Sizes included are T25, T27, T30, T40, T45, T50, T55, and T60.