Ronstan RF56510 Series 55 Orbit Block, Ratchet with Fiddle and Becket

SKU: MM 051086

€ 133,65

1-2 weeks delivery time
Price incl. 19% VAT

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The Series 55 Orbit Block™ Ratchet with Fiddle and Becket offers auto and manual ratchet modes, providing versatile performance for various sailing applications. It is ideal for mainsheet systems, spinnaker sheets on dinghies, and control line applications, offering high load capacity and smooth sheet easing.

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Series 55 Orbit Block™, Ratchet with Fiddle and Becket

This ratchet fiddle block with becket features both auto and manual ratchet modes, providing versatility in various applications.
- Features: Up to 20:1 holding power, smooth easing of sheets, ultra-low profile integrated hollow hub becket.
- Applications: Dinghy mainsheet systems, spinnaker sheets on dinghies (especially modern asymmetric classes), spinnaker sheets on sportsboats and small keelboats (lateral lead blocks), control line applications on larger yachts.
- Materials:
  - Ratchet Sheave: Anodised Aluminium
  - Ball Bearings: High compression strength carbon black Acetal
  - Frame / Cheeks / Cleat Arms: Toughened, glass fibre reinforced Nylon
  - Swivel shackle head fitting: Grade 316 stainless steel
- Product Specifications:
  - Type of Block: Ratchet, Fiddle
  - B.L. (kg): 750
  - M.W.L. (kg): 250
  - Max. Rope diameter (mm): 10
  - Weight (g): 112
  - Pin Ø (mm): 5
  - Notes: Fiddle sheave has a high load full contact bearing (i.e., not ball bearing). Main sheave has 2-stage ball bearing.
- Product number: RF56510
- Brand: Ronstan