Rostan RF55310 Series 55 OrbitBlock

Ronstan RF55310 Series 55 Triple Orbit Block, swivel shackle head. Ultra light weight with low friction two-stage orbital ball bearing system. Highest working load in its class, low profile and compact. High performance cleating and swivel shackle head for unlimited block rotation. Stainless steel shackle head and compatibility with sharp fixing points. Ultra low profile integrated beckets.

Suitable for mainsheet systems on dinghies, sports boats and small keel boats up to 9m. Halyard, vang and backstay applications on boats up to 8m and control line applications on larger yachts.

High compression strength carbon black Acetal ball bearings and carbon fibre reinforced Nylon on two stage bearing system. Toughened glass fibre reinforced Nylon frame and cheeks, U.V. stabilised multi-strand impregnated SK75 Dyneema® Rope link. Grade 316 stainless steel head fittings.