Parallel Rules

Cassell Marine Verified independent store

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Navigate your nautical charts with unparalleled precision using the Captain Fields pattern Parallel Rules. Crafted in Britain to exacting standards, these rules are precision injec ted moulded in 5mm acrylic for ultimate accuracy. Featuring divisions for the protractor and compass points, they ensure precise measurements every time. With bevelled edges on all four sides, these rules are not only accurate but also incredibly easy to use. Elevate your navigation experience with these high-quality British-made Parallel Rules. Show more