This ChiaoGoo SPIN Bamboo Interchangeables Set includes 5" bamboo tips (US2-US8), as well as three cable lengths to make 24", 32", and 40" circulars. The set also includes cable connectors, end stoppers, T-shaped tightening keys, stitch markers, a needle gauge, and zippered fabric case. TWIST and SPIN tips, cables, and accessories are all switchable!