TWIST sets include 4" (13 cm), surgical stainless steel, lace tips 2.75mm-5mm and three cable lengths 20cm (x2), 35cm (x1) and 55cm (x1). 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.