Sets come in 4 and 5 (10 cm and 13cm) sizes, bamboo tips and three clear, nylon cables. SPIN nylon cables allow the tips to swivel freely. 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. SPIN & TWIST tips, cables and accessories are all switchable!