Complete rigging packages that allow you to run One (1) lines on each rigger. this kit includes (2) exclusive Rupp single pulley shock cords, 160ft of BLACK MONO halyard lines one pair of Rupp ZIP CLIP release clips. (2) Nylon ball stops, (2) Strap Eyes, (4) Heavy Snap Swivels, (4) Crimps-Nickel. Part Numbers are different for BLACK MONO or WHITE NYLON halyard line.