ChiaoGoo Interchangeable Sets include 4″, surgical stainless steel, lace tips and three cable lengths: 8″, 14″, and 22″ cables to make 16″, 22″, and 30″ circulars. TWIST red cables are designed to resist memory, made from multi-strand steel coated in red nylon. Each set comes with clearly marked coded end stoppers, T-shaped tightening keys, stitch markers, a cable connector, a needle gauge, and a compact fabric case with a zipper for secure storage. This set includes seven tips from US 2-8 (2.75mm to 5mm).