Ronstan Ratchet Orbit Block, Series 55 - Triple, Becket, Cleat, Swivel marker 2 1/2 and 3" are

2 1/2 and 3" are available with angled wedge option for angled transoms

A combination of full length longitudinal and 45° lateral glass and carbon fibres balances optimum stiffness with extra resilience to resist breakage

Grade 316 stainless steel load straps and head fittings

Corrosion resistant gloss back aluminium head which incorporates a mounting bracket

to allow under water viewing as far as water clarity and light permits

Ronstan Ratchet Orbit Block, Series 55 - Triple, Becket, Cleat, Swivel marker 2 1/2 and 3" areFeatures: Up to 20: 1 holding power Smooth easing of sheets High performance cleating Swivel shackle head for unlimited block rotation. Stainless steel shackle head for ultimate durability and compatibility with harsh fixing points. Ultra low profile integrated beckets Applications: Mainsheet systems and spinnaker sheets on dinghies, catamarans, sportsboats and small keel boats to 9m (30ft) RF55410 when paired with a RF56330B and a RF35101 lashed to