Description
Ronstan Series 75 Core Block, Single
Universal head. The head assembly incorporates a brass bearing washer to provide smooth 360° rotation of the post and shackle. A set screw arrangement allows the head to be locked at 0° or 90°. Shackles are high quality forged grade 316 stainless steel.
Features:
- Class leading performance and sleek, contemporary styling.
- Excellent dynamic and high static load performance.
- Less than half the friction of the nearest competitor.
- Universal head with full 3-axis articulation.
- Head posts can be locked at 0 or 90 degrees, by using a 2.5mm Hex Key.
- Alloy Rope/Wire sheave version also available.
- Central hub hole can be used as a becket take-off or tie-up point, Max 13.5mm line.
Materials:
- Sheave: U.V. stabilised acetal or anodised aluminium (AW models).
- Cheek plates: Aluminium alloy.
- Ball Bearings: High compression strength carbon black acetal.
- Shackle, post & hub: Grade 316 stainless steel.






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