Description
The MK4 is the stiffest spar set Optimax offers. It also has the cleat for the sprit halyard in a higher position for easier access. Built from superior Lanurep spacecraft alloy, the spar set is hard anodized to a dark Grey color that ensures maximum stiffness. All fittings are hard anodized, glued, and then mounted with stainless steel screws to ensure durability. Optiparts Part # OX25AB4
