Sets include 13 pairs (size 2-15), of 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. 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 end stoppers, T-shaped tightening keys, and stitch markers, as well as a cable connector, a needle gauge and compact, zipper-enclosed, fabric case. TWIST™ & SPIN™ tips, cables and accessories are all switchable!