![Lewmar 50mm Synchro Block - Single [29925001BK] Sailing | Accessories Built-in SWR meter to precisely](https://cdn.shopify.com/s/files/1/0588/7918/0915/files/94306XL.jpg?v=1770165652)
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Built-in SWR meter to precisely tune an antenna for the best signal
The 6" x 20" VR-140 PRO offers unparalleled viewable range and clarity via prescription-grade optics
UPC: 024777730441
Cutout Diameter: ø3
and radius ends improve cable routing options
Lewmar 50mm Synchro Block - Single [29925001BK] Sailing | Accessories Built-in SWR meter to precisely50mm Synchro Block Single Lewmar's Synchro Blocks are engineered for speed, efficiency, and superior handling. Using a combination of scientifically optimized block geometry, a Free Spin bearing, and a 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 transfer of power from