All of ChiaoGoo's TWIST™ sets include 5″ (13 cm), surgical stainless steel, lace tips (this set contains sizes US 2-8, 2.75-5 mm) 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!