- Achieve exceptional stability and accuracy with our 17-inch parallel ruler, designed for precise measuring of distances and angles on your charts. - Crafted for durability, this marine navigation tool can withstand the challenges of sea conditions, ensuring a reliable benchmark for effortless navigation. - Experience unparalleled precision in sea navigation with a robust solid arm that enhances performance and longevity. - Ideal for chart plotting, route planning, and maritime navigation training, this parallel ruler is a must-have for any serious sailor committed to mastering their craft. Key Features: - Size: 17 inches, providing ample space for accurate measurements. - Material: Built with high-quality materials for maximum durability in marine environments. - Function: Perfect for both professional sailors and enthusiasts, enhancing your navigation skills. Practical Applications: - Use it for detailed chart actions, ensuring that your route planning is precise and effective. - Ideal for training sessions, helping new sailors develop essential navigation skills with confidence. Upgrade your maritime toolkit with our 17-inch parallel ruler and navigate the seas with precision and ease.