Interchangeable needles add flexibility to your knitting & help to ensure you always have the perfect length circular for a project. Each sleek, black coated cable is crafted in durable stainless steel. Flexible & memory-free, with smooth joins, the cable ensures twist-free glide for a seamless knitting experience. A 360-degree swivel enhances ease & delivers hours of knitting pleasure. To use with KnitPro interchangeable needles, simply screw the needle onto the threaded coupling. Insert the tightening key & use as leverage to twist & tighten the needle. Cable includes: 1 cable Tightening key 2 cord end caps to keep stitches safe when needles are not attached to cord *Please note: interchangeable needles sold separately.