Lewmar 50mm Triple Synchro Block SCHAEFER TRIANGLE PLATES 7 Series Double Over the

7 Series Double Over the Top Block

Mainsheet systems on boats to 17m (56ft)

C- 2 1/16 in

Delrin(tm) Sheaves

Ronstan Series 32 T-Track (Over 9ft)

Lewmar 50mm Triple Synchro Block SCHAEFER TRIANGLE PLATES 7 Series Double Over theProduct Description Lewmar 50mm Triple 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