Simple clean and ready for years of use our latest tube style rod holder integrates the rubber ball and socket design with a self draining and quick to access tube for the butt of most any fishing rod. The tube is made of extremely durable posite. Ideally suited for anything from Kayaks to Tournament boats this pact and simply design is ready for your next day on the water. Tube Dimensions:Inner diameter: 1.9"Inner tube length: 10" (from bottom to top of lip) Material:High Strength Composite and Stainless Steel; this for preventing rust of the mount Fishing Remendations:The primary intention of this mount is for salt water usage. Product : RAM MOUNT RAM TUBE 2008 SALT WATER FISHING ROD HOLDER Manufacturer : RAM MOUNT Manufacturer Part No : RAP-119SW UPC : 793442921919