Reinforced Marelon(TM) gussets allow each arm to lift 175lbs. 45" Lift arms allow the system to accommodate larger dinghies. 4 sheaves for easy lifting and 2 cleats. Each arm is mounted independently with a removable stainless support bracket that allows the davit arms to swing into the boat. Each kit contains two 4 to 1 lifting bridles, four cleats and all necessary components for mounting on a 23"-32" high stern rail. Capacity 350 lbs.