Small bamboo interchangeable circular need set includes 4″ (10 cm), bamboo tips and three clear, nylon cable lengths: 8″ (20 cm), 14″ (35 cm), and 22″ (55 cm) cables to make 16″ (40 cm), 22″ (56 cm), and 30″ (76 cm) circulars. 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!