sets include 4? (10 cm), surgical-grade, 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. 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. TWIST & SPIN tips, cables and accessories are all switchable!