The SBS-1.3 is a shop-quality set of 18 sockets, hex bits and Torx-compatible bits, selected specifically for common bike repair needs. All sockets and bits are 3/8" drive and ideal for use with a torque wrench, ratchet handle, or breaker bar. Made from tough chrome vanadium steel for durability and a long service life.Includes:- Hex bits: 3, 4, 5, 6, and 8mm- Long reach hex bits: 5, 6 and 10mm- Long reach Torx-compatible bits: T25, T30 and T40- Sockets: 8, 9, 10, 13, 14, and 15mm- 1" socket: fits many Park Tool freewheel, cassette lockring, and bottom bracket tools including FR-1.3, FR-5.2, and BBT-22NOTE: Not designed for use with impact drivers or other power tools.