New for pontoon boats, our Pontoon Arch is made from 2" Schd. 40 ( 2.375 O.D.) Anodized Aluminum. Arch easily bolts to most pontoon boats using our universal bracket system and fits over your existing bimini. Arch comes with standard water sports tow knob. All Pontoon Arches fold with the removal of one 3/8" Bolt from each aft leg. Quick release folding option with Quick Release pins an additional $249.00.