Description
Ronstan Series 75 Core Block, Halyard
Features:
- Class leading performance and sleek, contemporary styling.
- Excellent dynamic and high static load performance.
- Less than half the friction of the nearest competitorSuits direct attachment to mainsail headboard for 2:1 halyard.
- Removable 8mm (5/16”) screw pin at head.
- Acetal roller on head pin to suit spliced line attachment.
- Alloy Rope/Wire sheave version also available.
- Central hub hole can be used as a becket take-off or tie-up point
Materials:
- Sheave: U.V. stabilised acetal or anodised aluminium (AW models).
- Cheek plates: Aluminium alloy.
- Ball Bearings: High compression strength carbon black acetal.
- Pin: 2205 stainless steel.






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