Sets include 4? (10 cm), surgical stainless steel, lace tips and three cable lengths: 8? (20 cm), 14? (35 cm), and 22? (55 cm) cables to make 16? (40 cm), 22? (56 cm), and 30? (76 cm) circulars. This Complete set will include two types of cables; 4 Small Cables (2x 8", 1x 14", 1x 22"), and 4 Large Cables (2x 8", 1x 14", 1x 22"). TWIST red cables are memory free! They consist of a multi-strand, steel cable coated with red nylon. Also included with each set are easy-to-read, coded cable connectors, end stoppers, T-shaped tightening keys, stitch markers, a needle gauge and compact, zipper-enclosed, fabric case. All TWIST & SPIN tips, cables and accessories are all switchable - with the exception being that for smaller cables to fit larger tips they may require a tip adapter, and of course you cannot fit smaller tips to larger cables.