General description An eleven piece set of impact Tamper Star bit sockets suitable for use with Torx® products. Technical specifications Sizes: T10, T15, T20, T25, T27, T30, T40, T45, T50, T55, T60 Tamper Proof Drive: 3/8" Length: 48mm Material: CR-V Socket, S2 Steel Bit Finish: Phosphate