The Amtech folding key set includes 8 piece security torx keys, 8 piece ball end hex keys and 8 piece hex keys. Sizes included are: Security torx - T9, T10, T15, T20, T25, T27, T30 and T40. Ball end hex - 1.5, 2, 2.5, 3, 4, 5, 6 and 8mm. Hex - 1.5, 2, 2.5, 3, 4, 5, 6 and 8mm. The keys fold into the grip handle for easy storage and feature a soft grip for comfortable use.