Wera Bicycle Set 7, 27 pieces27 piece 3 8" ratchet set for typical bicycle operations with extensive accessories: 1 Zyklop Speed ratchet with 3 8" drive, 10 Zyklop sockets, 2 Zyklop bit sockets with 30 mm and extra slim profile area for better accessibility in tight workspaces. With Take it easy tool finder: Colour coding by size. 1 Zyklop extension (short) with fast rotating sleeve, 1 "Wobble" extension, 1 bit adapter, 1 connection part 3 8" external square head to 1 2" external