Knitter's Pride Interchangeable 37-inch (94cm) Black Gold Cord; makes 47" (120cm) Bamboo Knitting Needle 800210 Set of One Cable, Two-End Caps & One Cable Key Designed to be used with Bamboo needles; connectors are gold plated with 24 carat gold 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 Smooth join enables stitches to slide around needles effortlessly