Lewmar 50mm Single Synchro Block SCHAEFER CHEEK BLOCKS To be used when the

To be used when the clutter is reduced

includes urethane base: 3 3/8 in

Thermal wicking inner layer

Sheave Diameter - 2 11/64" (55mm)

Delrin(tm) sheaves on plain bearings ensure smooth operation and high safe working load

Lewmar 50mm Single Synchro Block SCHAEFER CHEEK BLOCKS To be used when theProduct 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