Lewmar 50mm Single Synchro Block Clearance Rack Side zip opening for ease

Side zip opening for ease of use

5" (89 mm)

Dynamic Shellback Dolly

Caprylyl Glycol

and comes with a PowerGrip handle for ultimate ease

Lewmar 50mm Single Synchro Block Clearance Rack Side zip opening for easeProduct Description Lewmar 50mm Single 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