Enhance your marine navigation accuracy with this high-quality Parallel Ruler, expertly crafted from durable acrylic material for exceptional longevity and reliability. Designed specifically as a marine plotting tool, this parallel ruler enables precise distance marking, making it an essential accessory for ships, yachts, and boats. Key Features: · Premium Acrylic Construction: Made from high hardness acrylic plate, ensuring outstanding durability that resists breaking or cracking even with prolonged use. · Marine Plotting Tool: Fully adjustable and easy to operate with one hand, this parallel ruler allows for fast and accurate plotting, helping you navigate with confidence. · Clear Engraved Scale: Features a precisely engraved scale for clear visibility and accurate measurements during marine surveying and navigation. · High Transparency Design: Excellent transparency minimizes obstruction, allowing you to maintain a clear view of your charts and maps while using the ruler. · Easy Parallel Line Drawing: Equipped with sturdy links that maintain perfect tension, enabling you to effortlessly draw lines parallel to existing lines or reference points for precise mapping. Specifications: · Material: Acrylic · Maximum Measuring Distance: Approximately 450mm (17.72 inches) · Item Type: Parallel Ruler · Usage: Ideal for ships, yachts, and boats as a reliable mapping tool for accurate distance marking Package Includes: · 1 x Parallel Ruler This acrylic Parallel Ruler combines durability, precision, and user-friendly design to provide a dependable navigation aid. Its transparent and clear scale enhances your ability to plot points and measure distances accurately on marine charts, making it an indispensable tool for any maritime navigator.