Features: Get accurate readings of your yacht inclination angles with our Inclinometer Marine Clinometer Level Angles Finder Instrument, perfect for safe and comfortable sailings. Produced of quality plastic, our inclinometer features shock-absorbing scale and clear markings for simple reading. It can also be used to measure vertical angles of mobile devices and more. This all-rounded tool is used for yacht owner, fishing enthusiasts, boaters, RVers, and anyone who like exploring the sea andwaterway. Whether you're navigating choppywater or enjoy a cruise, our inclinometer is a must-get accessory for any boats or ship.also great for measuring the height of trees, tower, and buildings on land. With its durable construction, clear markings, and convenient size, our Inclinometer Marine Clinometer Level Angles Finder Instrument is the perfect addition to your nauticals tool. Specifications: Material: plastic Diameter: approx 30cm/12inch Package Includes: 1xChart Protractor note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item.