Ronstan RF35151 30mm Ball Bearing Cheek Block | Orbit Series Fixed PulleyThe Ronstan RF35151 is a compact, lightweight 30mm cheek block from the Orbit Series, designed for permanent mounting on decks, bulkheads, or masts. Its ball bearing sheave delivers smooth, low friction performance, while the fibre reinforced composite construction keeps it strong yet ultra light. Ideal for control lines, cunninghams, outhauls, and traveller systems, the RF35151 is perfect when a low profile, fixed block is needed in tight rigging

performance

it forms a gap-filling compound ideal for gluing

printed to order with the latest updates

Easy surface-mount installation on deck or bulkhead

Built for efficiency

providing excellent durability and smooth performance

Official LINZ hydrographic chart #6152 for Pelorus Sound & Havelock

or marine joinery

camera arms

Available at Barton Marine NZ

and boating education

UV-resistant housing