2025 Ronstan Marine Catalogue - Catalog - Page 7
FEATURES & INFORMATION
Sports Blocks
5
Ball Bearing sheave
All Purpose & Special Purpose sheave
RopeGlide™ fairleads
RopeGlide™ rings
Versatile Shocks™
A BLOCK FOR EVERY PURPOSE
All-around solutions
Utility Blocks are an ideal match for the needs of everyday recreational
sailing. They are designed for low-maintenance reliability and o昀昀er a
choice of sheave/bearing con昀椀gurations depending on their intended use.
All Purpose versions are a great choice for durability and a long service life.
They feature self-lubricating acetal polymer sheaves running on polished
stainless steel races and perform equally well with dynamic loads and static
loads.
Ball Bearing versions incorporate our 2-stage bearing system using ball
Ultimate simplicity
For applications involving high static loads where only simple de昀氀ection
and minor trim adjustment is required, our low friction RopeGlide™
rings and fairleads are a lightweight and robust alternative to blocks. For
control line applications our Shocks™ o昀昀er high strength and versatility in
a compact form.
bearings to minimise friction and a secondary full-contact bearing to maintain
low friction across the full working load range.
Special Purpose versions are suitable for use with wire rope or where high
static load capability is required.
High Load versions are designed speci昀椀cally for any application where high
dynamic or static loads are expected. They feature high strength grade 2205
stainless steel ball races and sheaves for low friction at high loads.
