The Scotty Round Rail Mount No. 287 is excellent for pontton style boats. Simply position your Scotty rod holder anywhere you desire on the rail. The rail mount provides versatile mounting without having to drill any additional holes in your boat. The stainless steel fasteners hold the tough mount securely in place where desired. Works with all Scotty post mount rod holders. Fits 7/8" round rails. Includes stainless steel fasteners.