These supple cables with a smooth join is the reason for the popularity of these beautiful handknitting tools. These memory-free cables are so enjoyable to knit with, you'll wonder why you ever knit with anything else. 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.