ResQmax Line Deployment KitFEATURES Everything you need to launch a 3 mm messenger line up to 350 feet (107 m). The 500 foot (152 m) Dacron line has a tensile strength of 2. 2 kN (500 lbf). Once you have the messenger line across, use it to pull across the rescue rope. Products included: ResQmax Launcher with Folding Stock Streamline Line Projectile with two spare molded projectile protectors 500 ft. (152 m) Dacron messenger line with compact line container (2. 2 kN 500 lbf.