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Ronstan Series 55 Ratchet Orbit Block™ Single, swivel head, auto & manual RF56100
55mm Single block with swivel head and auto & manual ratchet
$108.99
You Save $21.80
$87.19
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FEATURES
  • Up to 20:1 holding power
  • Smooth easing of sheets
  • High performance cleating
  • Swivel shackle head for unlimited block rotation.
  • Stainless steel shackle head and compatibility with sharp fixing points.
  • Automatic & manual ratchet block
 
SPECIFICATIONS
Sheave Ø 55 mm
Max. Rope Ø 10 mm
Max. Cable Ø N/A mm
Pin Ø 5 mm
M.W.L. 250 kg
B. L. 650 kg
Weight 82 g

APPLICATIONS
  • 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)
MATERIALS
  • Sheave: Anodised Aluminium
  • Ball Bearings: High compression strength carbon black Aceetal
  • Frame/Cheeks: Toughened, glass fibre reinforced Nylon
  • Rope Link: UV stabilised, multi-strand impregnated SK75 Dyneema®
  • Head fitting: grade 316 stainless steel.
  • Ball Bearings: High compression strength carbon black Acetal.
  • Sheave : Hard anodised aluminium.
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