Lewmar 90mm Fiddle Synchro Block Running Rigging Sunfish Thumb loops help keep sleeves

Thumb loops help keep sleeves in place

Wichard Backing Plate for 6564

Bearing Height: 2 5/32" (55mm)

Compact Stanchion Lead System

Lewmar 90mm Fiddle Synchro Block Running Rigging Sunfish Thumb loops help keep sleevesProduct Description Lewmar 90mm Fiddle Synchro Block Lewmar's Synchro Blocks are engineered for speed, efficiency and superior handling. We use a combination of scientifically optimized 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 synchronized with the movement of the rope, providing you with an easier, smoother