72MM SYNC BLOCK DOUBLE BK Sea-Dog Line;Sailing Hardware Rinse or wipe off with

Rinse or wipe off with a clean cloth

double and triple units

A flexible design makes it suitable for overboard or holding tank discharge

or lets block swivel to keep line from twisting

Max Line 7/16" (11 m)

72MM SYNC BLOCK DOUBLE BK Sea-Dog Line;Sailing Hardware Rinse or wipe off withLewmar'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