[Function]:Marine clinometer is suitable for navigation,docking,etc.to ensure the stability of the boat on the water [Material]:Professional boats inclinometer is made of ABS material,which is strong and wear resistant to ensure long term performance and reliability [Wide Application]:Sailing clinometer can be applied to sailboats,fishing boats,yachts,cargo ships,etc.,and is very suitable for sailors,navigators,and enthusiasts [Quality]:The marine clinometer adopts a double tube design to provide clear readings,ensuring that you can make accurate angle measurements [Please Note]:The level gauge will also work uninterruptedly at night,and is equipped with a night lighting double tube for your convenience, Weight: 0.27998707274 pounds, Manufacturer: PUXZYAX