Series 55 Orbit Block™ Single Becket Swivel - Part # RF55110

Ronstan Series 55 Orbit Block - Single Becket Swivel

Series 55 Orbit Block™ Triple Swivel - Part # RF55310

Ronstan Series 55 Orbit Block - Triple Swivel

Ronstan Series 55 Ratchet Orbit Block - Single Swivel Head


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Series 55 Ratchet Orbit Block - Single, Swivel Head


» 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
» Automatic & manual ratchet block

» Sheave: Hard anodised Aluminium
» Ball Bearings: High compression strength carbon black Acetal
» Frame/Cheeks - Toughened, glass fiber reinforced Nylon
» Rope Link: UV stabilized, multi-strand impregmented SK75 Dyneema®
» Head fitting: grade 316 stainless steel


» Mainsheet systems and spinnaker sheets on dinghies, sportsboats and small keel-boats to 8m(26ft)
» Halyard, vang and backstay applications on boats to 8m (26ft)
» Spinnaker sheets on sportsboats and small keel boats (lateral lead blocks)

Part # RF56100

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Sheave Ø 55 mm__ Max. Rope Ø 10 mm__ Max. Cable Ø mm__ Pin Ø 5 mm__ M.W.L. 250 kg__ B. L. 650 kg__ Weight 82 g