We use this block in our Macstack Lazy Jack/Main cover system but it could be used for many other things as well. Mounts to fiberglass or mast/boom using 8 sheet metal screws. Max working load of 330lbs and max line size is 5/16″. Ball bearing block.
Long glass fiber injection molded • Used for outhauls, traveler controls, barberhauls, flag halyards and cunninghams








