Our strap system is hands down the strongest and most durable on the market today. Built using climbing grade webbing and construction techniques, we've built a system nearly 10x stronger than the competition. Our C1 Kits come with one 180cm CE Certified climbing runner rated to 22kn (over 4000lbs) and one 240cm Hammock Chain. Our unique Hammock Chain is built using a series of five individually sewn loops attached to a 180cm runner. This allows for 2 feet of easy adjustment and is significantly stronger than daisy chains, knotted cord, or cam buckle adjustment systems. Our C2 Kit comes with two 240cm Hammock Chains allowing for twice the adjustment range. Built with climbing grade16mm nylon webbing 180cm runners are CE certified for climbing use and rated to 22kn Hammock Chains are the strongest quick length adjustment systems on the market today Each Hammock Chain is 240cm in total length and has 5 chain links for 60cm of quick length adjustment .