These climbing ropes are one of the most efficient tools to build cardiovascular health, total body fitness and power. This super high strength natural Manila climbing rope is sealed at the end to prevent fraying and features a high-grade steel clamp system, so all you needs is a quality carabiner and shackle and you've got an on the go climbing station. Constructed from Grade A Manila fibers High-grade steel clamp system Extended handles with 3M™ Military Grade heat shrink caps Hand-crafted in the United States 1.5" diameter Rope lengths begin at 6' and go up to 30'