Ronstan RF437 59mm x 19mm Acetal Sheave – High Strength Marine HardwareThe Ronstan RF437 Acetal Sheave is engineered for durability and performance in marine environments. With a 59mm diameter and 19mm width, it features a solid acetal construction that offers high strength and low friction. This sheave is UV resistant and designed to handle rope diameters up to 16mm, making it ideal for various sailing applications. Ronstan 59mm x 19mm Acetal Sheave RF437 Specifications: Bore (mm) 11 Diameter (mm) 59 B. L. (kg) 600 Max.

The Triton²’s crisp

or trailer

these nickel-plated grommets withstand exposure to saltwater

High-visibility display

it helps reduce friction and keeps lines running smoothly to their intended path

the bag features a roll-top closure and carry handle for quick grab-and-go deployment

4mm Acetal Sheave RF41000 Specifications:

designed to resist impact

and ResQLink View

Boat refit projects

Ideal for dinghy control lines and performance sailing systems

Delrin roller