Product Description
Ronstan Block Triple Series 20 BB
The Triple Ball Bearing Block features 20mm diameter sheaves, making it ideal for high-load applications such as powerful purchase systems on dinghy vangs and rig tensioning systems on skiffs.
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The Triple Ball Bearing Block features 20mm diameter sheaves, making it ideal for high-load applications such as powerful purchase systems on dinghy vangs and rig tensioning systems on skiffs.