The 019-8000 comes with a 30 ft kernmantle rope with 2 o-rings, rope tensioner, 2 carabiners, and an energy absorber with protective cover. All of the kit components fit in the carrying and storage bag. Additional rope lengths options are available to cover applications from shorter roofing environments to larger span job sites.Material: 16mm Kernmantle rope lifeline, Steel Tensioner, Polyester thread, Steel Carabiners, tensile strength >5,000 lb; gate rated at >3,600 lb web Energy Absorber, Stamped steel O-rings, rated at 5,000 lb, 420 lb/single user – If using heavyweight harness and lanyard