Constructed from the same durable, rugged materials our brand is famous for, and designed with versatility in mind, the 320 can be positioned almost anywhere along a 2″ rail. Includes a pair of inserts for both 1-1/2″ round rails, and the 1-1/4″ square rails found on many pontoon boats. Corrosion-resistant fasteners are supplied. Also includes the 241 Side Deck Mount, which accommodates a vast range of Scotty rod holders and accessories.