Lewmar synchro single block w/becket black 90mm

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 your rope.
Plain bearing blocks are typically used for heavy and static loads.
Halyard tuning.
Mainsheet systems.
Mast foot blocks.
Mast head blocks.
Boom vang.
Stainless steel strap for improved strength and longer service life.
Stiff glass fibre reinforced cheeks to prevent lines from wedging.
Innovative design with “tool-free” sliding swivel locking mechanism.
Simple switch to change from swivelling to fixed shackle.