ChiaoGoo's complete set of 5-inch tips consists of needles Sizes US 2 (2.75mm) to US 15 (10mm). The set includes 5-inch (13 cm), surgical stainless steel, lace tips and three cable lengths to make 24-inch (60 cm), 32-inch (80 cm) and 40-inch (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.