Store bicycles, canoes, kayaks, cartop storage boxes, convertible hardtops & ladders with a Harken hoisting system. Model 7803-16 Max Weight 145lbs and lifts loads evenly, no matter how the weight is distributed. These hoist systems use a patented block-and-tackle system with a safety cleat that self-locks. It automatically locks and holds the load once you release the rope making your job easier and safer. Easy one hand operation and one line lifts, stores and lowers. Several systems to choose from to meet your exact needs. #7803-16 Min Lifting Load: 45 lbs (20 kg) Max Lifting Load: 145 lbs (66 kg) Mechanical Advantage: 6:1 16ft Lifting Range