Designed for the Navy Seals ship boarding operations, these ladders are high tech! Rungs are made from aircraft quality aluminum extrusion with special grip groves for added security when climbing when wet and are individually held in place on both sides using stainless steel swedges. 1×9 Aircraft quality stainless steel cable. Minimum strength of ladder cable is 1300lbf. (2600lbf. total). Rung yield strength is 1250 lbf. (failure strength 2200lbf.) Comes with deployment bag.