
Achieve flawless navigation with this 18" parallel ruler, combining brushed aluminum arms and sturdy acrylic edges. Perfect for maintaining consistent angles while plotting courses on marine charts.
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Navigate with confidence using this 18" parallel ruler, designed for mariners who demand accuracy and durability. Whether you're plotting a course, marking waypoints, or measuring distances, this tool ensures consistent, reliable results every time. Its transparent acrylic construction allows for unobstructed visibility of charts, while the brushed aluminum arms provide a sturdy, corrosion-resistant framework that withstands the rigors of marine environments.
This parallel ruler simplifies the process of transferring directions across nautical charts. By alternating the fixed and mobile edges, you can maintain a consistent angle while moving the ruler, ensuring accuracy in every measurement. The brushed aluminum arms not only add strength but also provide a comfortable grip, reducing fatigue during prolonged use. The included protective plastic case safeguards the ruler when not in use, preventing scratches and damage.
Crafted in the USA, this parallel ruler embodies a commitment to quality and precision. Its construction reflects decades of expertise in marine navigation tools, making it a trusted choice for sailors, fishermen, and maritime professionals. The combination of clear acrylic and aluminum ensures both functionality and longevity, while the protractor scales add an extra layer of utility for complex navigation tasks.
Elevate Your Navigation Game with Unmatched Precision
When every degree counts, this 18" parallel ruler delivers the accuracy and reliability needed for flawless chartwork. Designed for mariners who refuse to compromise on quality, this tool combines transparent acrylic rulers with brushed aluminum arms to create a seamless, durable solution for plotting courses, measuring distances, and transferring angles. Whether you're navigating coastal waters or open seas, this ruler ensures your measurements are consistent, your lines are straight, and your confidence remains unshaken.
Built for the Demands of Marine Environments
Marine navigation demands tools that can withstand harsh conditions while maintaining precision. This parallel ruler features a quarter-inch thick acrylic construction, providing the perfect balance of stability and lightweight handling. The brushed aluminum arms resist corrosion and wear, ensuring smooth operation even in humid or salty conditions. Weighing just 0.69 lbs, it’s easy to maneuver yet sturdy enough to hold its position on charts, reducing the risk of errors during critical navigation tasks.
Simplify Complex Navigation with Integrated Protractor Scales
Why juggle multiple tools when this parallel ruler does it all? The integrated protractor scales eliminate the need for separate angle-measuring devices, allowing you to measure and transfer directions with a single tool. The clear acrylic design ensures unobstructed visibility of your charts, while the aluminum arms provide a secure grip for effortless adjustments. Whether you're plotting a course, marking waypoints, or verifying bearings, this ruler streamlines the process without sacrificing accuracy.
Confidence Backed by a Lifetime of Craftsmanship
This parallel ruler isn’t just a tool—it’s an investment in precision and durability. Manufactured in the USA, it reflects a legacy of quality and attention to detail that mariners have trusted for generations. The lifetime limited warranty ensures that your ruler will perform reliably, voyage after voyage. The included protective case adds an extra layer of security, keeping your ruler safe from scratches and damage when not in use. For those who demand the best, this parallel ruler is the ultimate companion for safe and accurate navigation.
This 18" parallel ruler is engineered for precision and durability, featuring a robust construction of clear acrylic and brushed aluminum. With a length of 18 inches (45.72 cm) and a thickness of 1/4 inch (5 mm), it provides stability without adding bulk. The integrated protractor scales allow for accurate angle measurements, while the lightweight design (0.69 lbs or 313 g) ensures ease of use during extended navigation sessions. A protective plastic case is included to safeguard the ruler when not in use, and the lifetime limited warranty guarantees long-term performance.
This parallel ruler can be used on charts up to 18 inches wide, as it maintains a fixed angle while spanning that distance.
The 1/4-inch thick clear acrylic is durable and designed for frequent use, but it should be handled carefully to avoid surface scratches over time.
The protractor scale is engraved on the aluminum arms, allowing you to measure and transfer angles directly from the chart without additional tools.
While designed for marine navigation, it can be used on any flat surface where precise angle transfers are needed, such as aviation or topographic maps.
The included plastic case is designed to protect the ruler during storage and transport, though it does not feature a locking mechanism.
The NSN (National Stock Number) 6605-04-556-9178 is a unique identifier used for procurement and inventory management in government and military supply systems.
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