The 5-inch (13cm) MINI red cable can only be used with ChiaoGoo 2-inch (5 cm) tips or as an extension to another MINI cable with the use of a MINI cable connector.
The 6-inch (15cm) MINI red cable can only be used with ChiaoGoo 2-inch or 3-inch (5 cm or 8cm) tips or as an extension to another MINI cable with the use of a MINI cable connector.
The 8-inch (20cm) MINI red cable can be used with ChiaoGoo 2-inch or 3-inch (5 cm or 8cm) tips or as an extension to another MINI cable with the use of a MINI cable connector. it can also be used with ChiaoGoo 4-inch tips to make a 16″ (40 cm) circular needle.