TEKTON 25171 Folding Star Key Wrench Set, 8-Piece [Older Model] Chrome vanadium steel wrenches are heat treated and black-oxide finished Ends are precisely milled for exact fit Contoured shape, with rounded profile and soft, textured grips, comfortably fits in your pocket and your palm Color-coded housing for instant identification and high visibility size markings for fast wrench selection 8-pc. Star key wrenches: T9, T10, T15, T20, T25, T27, T30, T40