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The 5-Inch Square Protractor, often called a Douglas protractor, is ideal for rapid course and bearing plotting in confined chart-table spaces. Its compact, transparent design supports precise navigation work.
5" square format allows accurate plotting on crowded or small-scale charts
Durable, transparent plastic construction ensures long service and clear chart visibility
Matte surface accepts pencil markings for temporary notes and course lines
Supplied with full instructions for correct use in navigation training and onboard practice
Backed by a lifetime guarantee for long-term reliability and professional confidence
Add this square protractor to your navigation kit for fast, accurate chart plotting.
