TWIST sets include 5" (13 cm), surgical stainless steel, lace tips 2.75mm-5mm and three cable lengths to make 24" (60 cm), 32" (80 cm) and 40" (100 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.