Lewmar 50mm Double Synchro Block Fids & Kits D - 20 5/8" (526mm)

D - 20 5/8" (526mm)

Weight - 971 g

Spinlock Aft Organizer 9 x 20mm Sheave (8 Rope) w/ Min Sheave Spacing

Single block with anodized aluminum cheeks and becket

Suits RF45101

Lewmar 50mm Double Synchro Block Fids & Kits D - 20 5/8" (526mm)Product Description Lewmar 50mm Double 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