
Upgrade your marine navigation with this 18" 4-directional rolling plotter. Featuring a patented rolling system, precision protractor markings, and a built-in magnifier for accurate chart readings.
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Navigate with unmatched accuracy and ease using this professional-grade 18" four-way rolling parallel rule. Designed for intensive use on commercial vessels and blue-water ships, this tool redefines how mariners plot courses on nautical charts. Its patented four-direction rolling mechanism ensures smooth, precise movements, eliminating the frustration of traditional straightedges.
Whether you're charting a course through busy shipping lanes or plotting a transoceanic voyage, this four-way rolling parallel rule delivers the precision and reliability you need. Its intuitive design reduces plotting time, minimizes errors, and enhances overall navigation efficiency. Upgrade your toolkit with a device that combines innovation, durability, and ease of use—perfect for both seasoned professionals and dedicated enthusiasts.
Elevate Your Chart Plotting with Unmatched Precision
Say goodbye to cumbersome straightedges and embrace the future of nautical navigation with this 18" four-way rolling parallel rule. Engineered for professionals who demand accuracy and efficiency, this tool is a game-changer for plotting courses on marine charts. Its patented four-direction rolling mechanism allows for seamless movement in any direction, making it easier than ever to draw precise lines and measure angles with confidence.
Engineered for Durability and Performance
Built to withstand the rigors of commercial and blue-water navigation, this parallel rule features a robust construction that ensures long-lasting reliability. The larger 18" body provides enhanced stability, allowing for smoother and more controlled movements across even the most detailed charts. Whether you're navigating coastal waters or open seas, this tool is designed to perform flawlessly in any environment.
Precision at Your Fingertips
Every detail of this parallel rule is crafted to enhance your navigation experience. The protractor markings, spaced every 1/2 degree, allow for ultra-precise angle measurements, while the 1-1/4 inch magnifying lens ensures you never miss a critical detail on your charts. The included easy-to-follow instructions make it simple to master, even for those new to advanced navigation tools.
Designed for Convenience and Portability
Despite its professional-grade capabilities, this parallel rule is surprisingly lightweight at just 1.625 lbs, making it easy to carry and store. It comes with a durable vinyl protective case to keep it safe from damage, whether you're on deck or stowing it away. With compact dimensions of 19-5/8" x 3-5/8" x 1-1/4", it fits seamlessly into your navigation toolkit without taking up unnecessary space.
Proudly Made in the USA
Crafted with pride in the USA, this four-way rolling parallel rule embodies the highest standards of quality and craftsmanship. It’s a tool you can trust to deliver consistent performance, voyage after voyage. Whether you're a commercial captain, a seasoned navigator, or a dedicated sailing enthusiast, this parallel rule is the perfect companion for all your chart plotting needs.
This 18" four-way rolling parallel rule is designed for precision and durability, featuring a patented four-direction rolling mechanism that allows for effortless movement across nautical charts. With protractor markings every 1/2 degree and a 1-1/4 inch magnifying lens, it ensures accurate readings and measurements. Measuring 19-5/8" x 3-5/8" x 1-1/4" and weighing just 1.625 lbs, it’s built for portability without compromising on performance.
The ruler can accommodate charts up to 1-1/4 inches thick, thanks to its design and magnifying lens clearance.
The protractor markings are graduated every 1/2 degree, ensuring high precision for plotting courses.
The 1-1/4 inch magnifying lens is fixed in place to ensure stability and accuracy during use.
The protective case is made of durable vinyl to safeguard the ruler during storage and transport.
Yes, the patented four-way rolling motion allows smooth operation on both flat and slightly curved chart surfaces.
The four-way rolling motion enables effortless movement in any direction, reducing the need to lift or reposition the ruler while plotting.
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