Twist cables are memory-free! They consist of a multi-strand, steel cable coated with red nylon. 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. Product image shown covers a range of cable sizes.  
The 5 inch and 6 inch cables are specifically for the Twist Interchangeable Shortie sets. 
The mini cables fit the mini needles ranging from sizes 1.5mm-2.5mm 
The small cables fit needles sizes 2.75mm-5.00mm 
The large cables fit needle sizes 5.50mm-10.00mm 
2po (5 cm) long red TWIST? [M] cables come with 3 cables per package. Need a little more cable length for your project? Add these to your current cable with one of our connectors. Want to make flexible double points? Use these with your desired length of interchangeable tips.