Lewmar - Synchro Block Double 72mm sf12 Blakes seacocks have been designed

Blakes seacocks have been designed to offer outstanding performance in the marine environment

Borgwarner Velvet Drive

3/4" 10 threads per inch

Provided with a positive lock-in neutral and smooth design for use on sailboats

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Lewmar - Synchro Block Double 72mm sf12 Blakes seacocks have been designedLewmar Synchro blocks are engineered for speed, efficiency and superior handling. Using a combination of scientifically optimised block geometry, a free spin bearing and self aligning head to reduce friction and increase efficiency by up to 40% over budget blocks on mainsheet systems. Each component is perfectly synchronised with the movement of the rope, providing you with an easier, smoother transfer of power from deck to sail and less wear on your