Lewmar 60mm Double Becket Synchro Block Ronstan Welded Rings Selected Series 40 models

Selected Series 40 models

When the lanyard is pulled

A: 13/16" (21 mm)

A 2 1/8 in

B- 1 17/64 inch

Lewmar 60mm Double Becket Synchro Block Ronstan Welded Rings Selected Series 40 modelsProduct Description Lewmar 60mm Double Becket 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,