The Bolt Trim Tab System is manufactured with a superior seal design inspired by over 50 years of Bennett's proven success in hydraulic trimming techniques. Robust, watertight black nylon actuator provides trouble-free operation for years. Wires and seals are completely protected from harsh marine environment, preventing problematic leakage and marine growth. Installation is fast and simple without the need to assemble the actuator yourself. System includes (2) 12V actuators with 6' wire harness and waterproof connectors, (2) stainless steel trim tabs and mounting plates, and (2) 20' harnesses with waterproof connectors. Can be used on virtually any kind of boat.