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Ronstan Core Block - Single Swivel Fiddle Block & Cam
All round long lasting block with aluminium cheek plates and the Ronstan Universal Bearing 2-stage bearing system. An acetal sheave and stainless fixings complete the durable package.
For reliability and a long service life, these blocks are recommended for mainsheet, halyard, vang and spinnaker sheet applications on boats to 16m (60ft) and general / control line applications on larger yachts.
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 can be fixed at 0° or 90° or left free to swivel.
- Head posts can be locked at 0 or 90 degrees, by using a 2.5mm Hex/Allen Key.
- Central hub hole can be used as a becket take-off or tie-up point.
- Alloy Rope/Wire sheave version also available.
- Removable becket pin for fitting of pre-spliced lines.
| Ref. | Size / Sheave | Working Load kg |
Break Load kg |
Maximum Line Size mm |
Shackle Pin Diameter mm |
Weight g |
Recommended Boat Size for Mainsheet |
| RF64520 | 60 + 30 mm | 1000* | 2000 | 12 | 6 | 490 | 12m (40ft) |
* Line load through cleat not to exceed 175kg
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