12" Rolling Navigation Ruler

Revolutionize Your Chart Plotting with Effortless Precision
Say goodbye to cumbersome parallel rulers and welcome a new era of navigation with this 12" rolling plotter. Engineered for mariners who value accuracy and efficiency, this tool simplifies chartwork by allowing seamless parallel line transfers with just a roll of its aluminum-mounted mechanism. Whether you're plotting a course through busy shipping lanes or measuring distances in confined harbor areas, its compact design and intuitive operation ensure you spend less time adjusting tools and more time navigating with confidence.

Engineered for Reliability and Longevity
Built to withstand the demands of life at sea, this plotter features a durable acrylic surface paired with marine-grade aluminum rollers, ensuring smooth operation even in challenging conditions. Weighing a mere 0.31 lb, it’s lightweight enough for easy handling yet robust enough to maintain precision over years of use. The dual-roller system guarantees consistent parallel alignment, eliminating the frustration of skewed lines and repeated adjustments. Backed by a lifetime warranty, it’s a tool you can trust for every voyage, from coastal cruising to offshore passages.

Precision Measurement Tools for Every Scenario
Equipped with a comprehensive set of measurement scales, this plotter is designed to handle a variety of chart types with ease. It includes distance scales for 1:20,000, 1:40,000, and 1:80,000 NOAA coastal and harbor charts, ensuring compatibility with the most commonly used navigational maps. An additional inch scale provides quick reference for imperial measurements, while the integrated semi-circular and quarter-circle protractors allow for accurate bearing and heading calculations relative to both meridians and parallels. Whether you're plotting a course, measuring distances, or transferring bearings, this tool delivers the precision you need for safe and efficient navigation.

Designed for Mariners, by Mariners
Crafted in the USA, this rolling plotter is the result of decades of expertise in marine navigation tools. Its compact dimensions (3.5" x 12.5") make it ideal for use on even the most crowded charts, while its direct transfer mechanism ensures quick and accurate line plotting without the need for additional tools. Instructions are included to guide you through setup and operation, making it accessible for both seasoned navigators and those new to chartwork. Whether you're a professional mariner or a recreational sailor, this plotter is designed to enhance your navigation experience, providing the reliability and precision you need to navigate with confidence.

This 12" rolling navigation plotter combines precision and durability in a compact, user-friendly design. Measuring 3.5" x 12.5" and weighing just 0.31 lb, it features a durable acrylic plotting surface mounted on marine-grade aluminum rollers for smooth, parallel line transfers. Equipped with distance scales for 1:20,000, 1:40,000, and 1:80,000 NOAA charts, an inch scale, and integrated protractors for bearing measurements, it’s built to handle all your chartwork needs with ease.

• Experience effortless chart plotting with a tool that eliminates the hassle of traditional parallel rulers.
• Its dual-roller system ensures perfect parallel alignment every time, while the compact design allows for easy maneuvering on crowded charts.
• Built to last with marine-grade materials and backed by a lifetime warranty, this plotter delivers unmatched precision and durability.
• The included measurement scales and protractors provide versatility for all types of navigational tasks, making it an indispensable companion for any voyage.