Park Tool Socket and Bit Set 3, 4, 5, 6, 8 and 10mm hex bits T25, T30 and T40 Torx style bits 8, 9, 10, 11, 12, 13, 14, 15mm and 1" sockets (The 1" socket fits various Park Tool Freewheel, Cassette Lock ring and Bottom Bracket tools) T25, T30 and T40 Torx style bits Bit and socket holder - not included