- Designed for professionals, captains, enthusiasts, and maritime students, this 17-inch parallel ruler is the ideal tool for precise navigation. - Ensure stability and accuracy in measuring distances and angles directly on your nautical charts, enhancing your navigation skills in any maritime environment. - Crafted to withstand rigorous sea conditions, this expertly designed instrument features a solid arm for added durability, making it a reliable choice for both amateur and seasoned navigators. - Key Features: - Function: Accurate distance and angle measurement - Compatibility: Ideal for nautical charts and marine navigation - Size: 17 inches for easy handling while working on large charts - Material: Built to last, with a robust construction that endures harsh conditions - Practical Applications: - Use this parallel ruler for plotting courses and determining positions while out at sea. - Perfect for students practicing navigation techniques in academic settings. - Essential for professionals conducting chart work during maritime operations or voyages. This parallel ruler is a critical addition to your navigation toolkit, ensuring you can navigate with confidence and precision.