SPIN Bamboo Interchangeable 5" Tip Complete Set. Set includes tip sizes US2 to US15. This set includes the following cable lengths: 14", 22", and 30" to make 24", 32", and 40" circulars. SPIN nylon cables allow the tips to swivel freely and have lifeline holes. Connectors, end stoppers, tightening keys, stitch markers, a needle gauge, and a compact, green-ribboned, fabric case are all included with this set.