BQBQERT Professional Parallel Ruler For Marine Navigation 450mm/17.72Inch Architect Drafting Ruler With Clearly Scale

<br> <b>Features:</b><br> Engineered for marine navigation, this 450mm parallel ruler combines high transparency acrylic and copper spacers, ensures accurately azimuth measurements and clearly scale on navigation chart.<br> Features copper acrylic construction with polishing, the mutifunctional parallel ruler flexible operate and stable alignment for seamlessly chart plotting in demanding marine .<br> Suitable for professional navigators, marine cartographers, and sailing enthusiasts requiring professional parallel drawing ruler measuring tool for complex course calculation during voyages or detailed charting task.<br> Widely used for maintaining precisely bearing line during onboard navigation planning, coastal map exercise, or educational marine navigation workshop where millimeter accuracy matters.<br> Its light weight design withstands saltwater exposure while providing effortlessly portability between ship bridge, navigation station, and training facilities.<br> <br> <b>Specifications:</b><br> Color: Clear<br> Component: Acrylic, Metal<br> Size: Approx. 45x7.50cm/17.72x2.95in<br> Weight: Approx. 310g<br> <br> <b>note:</b><br> 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid.<br> 2.Due to difference between different monitors, the picture may not reflect the actual color<br> <br> <b>Package Includes:</b><br> 1Piece Parallel Ruler<br>

• Engineered for marine navigation, this 450mm parallel ruler combines high transparency acrylic and copper spacers, ensures accurately azimuth measurements and clearly scale on navigation chart.
• Features copper acrylic construction with polishing, the mutifunctional parallel ruler flexible operate and stable alignment for seamlessly chart plotting in demanding marine .
• Suitable for professional navigators, marine cartographers, and sailing enthusiasts requiring professional parallel drawing ruler measuring tool for complex course calculation during voyages or detailed charting task.
• Widely used for maintaining precisely bearing line during onboard navigation planning, coastal map exercise, or educational marine navigation workshop where millimeter accuracy matters.
• Its light weight design withstands saltwater exposure while providing effortlessly portability between ship bridge, navigation station, and training facilities.