TWIST cables are memory-free! They consist of a multi-strand, steel cable coated with red nylon. This 50? (125 cm) length will make a 60? (152 cm) circular when 5? (13 cm) tips are attached. Lifeline holes can be found at each end of these cables. Insert the T-shaped tightening key into the lifeline hole to assist with securing your tip/cable connection. SPIN tips will work with TWIST cables. Available in both small [S] and large [L] sizes, please make sure you are purchasing the size of cable that will work with your tip sizes.