The Matco Tools 26-pc 1/4", 3/8" and 1/2" Drive ADV Standard and Long TORX Bit Socket Set, No. SBS26V, is designed for use on TORX fasteners, with the standard and long length offering improved access in tight areas. The bits are manufactured with S2 steel and finished with zinc phosphate coating for corrosion resistance, while the sockets feature a mirror polish chrome-vanadium finish designed to resist abrasion and corrosion. The set includes standard and long lengths: 1/4" Drive T8, T10, T15, T20, T25, T27; 3/8" Drive T30, T40, T45, T47, T50, T55; 1/2" Drive T60.