Ratchet set Mini This hand ratchet set consists of three ratchets. suitable for 10mm bits. 5/16 bits and 1/4 bits. The ratchets can also be used for normal sockets with 1/2 “:. 3/8”: and 1/4 “:connection with an adapter supplied. This adapter can be stored in the handle. Size: 1/2 Size: 1/4 Size: 3/8 Guarantee : 2 years