Sea Sure's range of clew blocks are unsurpassed for quality and performance. The bearing system has been engineered to provide smooth-running reliability under the most demanding conditions, whilst the aluminium alloy side plates provide strength without adding excessive weight. Also available in other colours.
These blocks are selected for the sails on the Global Challenge Round the World Race.
Sheave dia:42mm Max rope size:8mm Webbing size:20mm Suitable for boats: 7-10 metres
Sea Sure Ltd
Clock Tower Works
SO31 9GQ England