Lewmar 50mm Single Synchro Block Ronstan Series 15 B - 12 1/4" (310mm)

B - 12 1/4" (310mm)

Safe Working Load: 990 lbs

C- 15/64 inch

thus preventing the formation of bubbles

Wichard #8 Flat Stainless Ring

Lewmar 50mm Single Synchro Block Ronstan Series 15 B - 12 1/4" (310mm)Product 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