Use High Strength Prusik Cord for various tie-down applications or as brake lines on Z-drags. High Strength Prusik Cord can be used to tie down your boats, practice knots, and set up a z-drag. It also makes a really sweet clothes line. Prusik Specs: 5 mm Prusik Cord 1,134 lb. tensile strength Prusik cord is sold/priced by the foot. Select the number of feet you"d like in the quantity box. Colors Vary