Parallel Rules Model:Deluxe Say goodbye to hinge play

Say goodbye to hinge play and rattle caused by engine vibration

full bore design boasts a stainless steel ball

- Get the world's leading spark plug technology at Cassell Marine

Upgrade your setup with this sleek and functional switch panel today

Parallel Rules Model:Deluxe Say goodbye to hinge playNavigate your nautical charts with unparalleled precision using the Captain Fields pattern Parallel Rules. Crafted in Britain to exacting standards, these rules are precision injected 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