UNIOR: Product featuresUnior's bits and sockets set for bicycle service includes all the necessary items for the most common service on a bicycle.Smaller sockets and bits are 1/4 while the bigger ones are 3/8.To ensure the use of all of them on any of the ratchet or torque wrench size, the set also includes two convert adaptors - to use 1/4 on a 3/8 and the other way around.All items can be used on a ratchet or a torque wrench.All the items in the set are nicely arranged inside the SOS foam tray.The set contains:Torx bits sizes 25, 27 and 30Hex bits sizes 3, 4, 5, 6, 8, 10Socket sizes 8, 9, 10, 11, 12, 13, 14, 15Adaptors 1/4 - 3/8 and 3/8 - 1/4