Made with the professional in mind, the P.R. 500 Rolling Plotter has a considerably larger body than the smaller Bi-Rola Rule (155). Built to take rigorous use aboard commercial and blue water vessels, this rolling plotter provides one of the easiest methods invented to plot courses.
- Patented 4-way rolling motion
- Roller body includes protractor markings every 1/2 degree
- 1-1/4 inch (31.75mm) magnifying lens for enhancing chart data
- Easy to follow instructions
- Packaged in protective, durable vinyl pouch
- Durable transparent plastic & brass construction
- Made in New Zealand