XtremepowerUS Metric MM Pro-Grade Torx Star Bit Socket, 13-Piece 1/4" Sizes: T-8, T-10, T-15, T-20, T-25, T-27, T-30 (37mm Length) 3/8" Sizes: T-40, T-45, T-47, T-55 (48mm Length) 1/2" Size: T-60 (55mm Length) Pro Grade Set in Hard-to-Find TorxBit & E-Sockets Constructed of High Grade Chrome Vanadium Alloy Steel; Mirror Chrome Finish