The Berkley Kayak Sup Belly Boat Rod Holder is designed specifically for use on a bellyboat or kayak, making it a convenient and functional addition to a kayak angler’s gear. The mounting base is made of fiberglass-reinforced nylon (20/80%), providing durability and resistance to the challenges of the water environment. The tube material is 100% ABS, which is known for its strength and durability. The grade 304 stainless steel bolt provides corrosion resistance even when exposed to salt water. With a tube length of 20.5cm, this rod holder provides a suitable height for safely holding the rod while fishing from a bellyboat or kayak.