16" replacement cord for use with the Knitter's Pride special interchanger needles. Resilient, flexible cords lay flat, with no kink or twist easy to store. Smooth join enables stitches to slide around needles effortlessly Long threaded screw-in “join” insures that cord and needles stay connected. Tightening hole provided in the metal join for extra secure tightening. Specially designed “key” facilitates effortless tightening. End caps easily fit on cord and keep knitting safe. Interchanger Cable or Cables.