Park tool socket and bit set sbs 1.2coming with all the common sized tool heads for getting the job done, park tool has created its sbs 1.2 18 piece socket and bit set from a strong and hard wearing steel so you can rely on it for many years to come. This bike specific kit also comes in a convenient plastic tray so you can keep all the pieces organised and held together in your toolbox drawer.features material chrome vanadium steel 3, 4, 5, 6, 8 and 10mm hex bits long reach 5 and 6mm hex bits long reach t25, t30 and t40 torx style bits 8, 9, 10, 13, 14, 15mm and 1 sockets the 1 socket fits various park tool freewheel, cassette lockring, and bottom bracket tools convenient bit and socket holder tray included all sockets and bits are 3 8 drive sockets available to purchase separately yesbuy park tool workshop from chain reaction cycles, the world's largest online bike store.