Berkley Tube Rod Holder Racks are a great fishing rod storage solution for boats, home or at camp as they keep rods in their own space free of tangling or damage. These "tube style" racks fare constructed from a heavy polypropylene and are corrosion resistant for use in all types of conditions - both freshwater and saltwater. The Berkley Tube Rod Holder Racks holds 3 rod and reel combos and measure 12 1/2 inches wide. The tubes are 9 inches deep and have a 1 13/16 inch inner diameter. We carry these rod holder racks in Black (TR1B) or White (TR1W) colors. If you are trying to decide between the rod tubes and regular rod racks we personally recommend these for open air storage of rods on boats or trucks as they are more durable in all conditions. Furthermore, they are a favorite of saltwater flats and bay anglers because the rods stay in place upright freeing up space to move around the deck.