245 1 1/4" Round Rail MountExcellent for pontoon boats. Position your Scotty rod holder anywhere on your rail. Provides versatile mounting without having to drill more holes in your boat. Stainless steel fasteners (included) hold this tough mount securely in place. Works with all Scotty post mount rod holders. Fits 1 1/4" round railWARNING: This product can expose you to chemicals including NICKEL (METALLIC) which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.