Imperial Metric
Sheave Dia. 2 5/32" 55 mm
Max. Rope Dia. 3/8" 10 mm
Maximum Working Load 550 lb 250 kg
Breaking Load 1430 lb 650 kg
Weight 2.9 oz 82 g

Selected Series 55 models.
Product Description

• Automatic and Manual ratchet in one block.
• 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.
• Sheave: Hard 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.

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

Part Number: RF56100

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Ronstan Series 55 RT Orbit Block, Single Swivel Head
Original Price: $ 90.53
Price: $ 76.95

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