Lewmar 50mm Double Synchro Block 420302 base layer Power3 ratchet blocks provide sailors

Power3 ratchet blocks provide sailors that race small one-designs with three holding-power options to handle a variety of wind and sea conditions

WHILE MAINTAINING STRETCH AND MOVEMENT

Shackle pin Ø (mm) 5 mm Shackle pin Ø (in) 3/16 in

Weight: 354 g

mild acids and alkalis

Lewmar 50mm Double Synchro Block 420302 base layer Power3 ratchet blocks provide sailorsLewmar's Synchro Blocks are engineered for speed, efficiency and superior handling. We use a combination of scientifically optimised 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 synchronised with the movement of the rope, providing you with an easier, smoother transfer of power from deck to sail and less wear on