9Pc. 1/4" & 3/8" Drive Torx-r Driver Sockets Contains: T10, T15, T20, T25, T27, T30 Tamper Torx-r Sockets 1/4" Drive x 1.1/8"(28mm) Long. T40, T45, T50 Tamper Torx-r Sockets 3/8" Drive x 1.5/8"(40mm) Long. Miniature size 1/4" & 3/8" Drive Tamper-Torx CR-V sockets with S2 steel bits permanently inserted. Supplied on socket rail.