A rod holder system for use with a boat, specifically for use with a ski baror other rail elementon a boat. The rail can be round or square. The device could even be clampedto a rail of awooden deck rather than on a boat. A stem is clamped to the rail using a clampand severalclamp screws. A rod holder with a sizing insert is screwed to a top end of thestem using a rodscrew for connecting the holder to the stem. The sizing insert can be insertedinto the holder andmay be interchangeable depending on the rod to be placed within the holder,from a flag pole toa fishing pole handle to a spotlight pole.
