Lewmar Block Synchro Single 90mm Seacocks MF 840 Vented Loop 1

MF 840 Vented Loop 1

holding its position securely while you adjust tension

An anchor is vital piece of safety equipment

By hoisting the reflector up high on a shroud

Lewmar Block Synchro Single 90mm Seacocks MF 840 Vented Loop 1Lewmar's Synchro Blocks are engineered for speed, efficiency and superior handling. We use 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