55-degree Swing Pendulum Marine Tilt Indicator - Provides accurate hull inclination readings for navigation on boats and ships. Swing-type design with a 55-degree pendulum delivers precise, repeatable measurements. 55-degree Pendulum Tilt Meter for Marine Use - Reliable tilt readings with a 55-degree swing pendulum; an essential navigational tool for boaters to monitor attitude and trim. Quality 55-degree Tilt Indicator with Swing Pendulum - Designed for sea applications; delivers precise tilt data using a 55-degree pendulum for dependable performance in marine environments. Durable 55-degree Boat Tilt Meter with Swing Pendulum - Calibrated to 55 degrees to maintain accurate tilt measurements even in rough sea conditions; built for long-term marine use. Typical applications - Navigation planning and hull orientation on small boats, yachts, and ships. - Docking, mooring, and maneuvering where tilt and trim influence stability and safety. - Operation during rough seas or coastal transit to monitor vessel attitude and maintain control.