High Quality? Polished marine 316 grade stainless steel, Seawater corrosion resistance and and strong endurance. White Rubber insert? To protect your fishing rod from any wear against the stainless surface. Adjustable? Rod holder can be adjusted to 32 different angles;Easy to install, mounting bracket includes bolts (allen key not included). Clamp on rod holder? Heavy duty cast clamp fits 1-1/4″ to 2″ Tube. Stopper slot? Gimbal Pin built into the base of the rod holder to located the rod butt into position. Easy to install? These rod holders are easily mount on both horizontal and vertical rails. BOATS & YACHTS Rod Rests and Holders. The (2X) 316 Stainless Tournament Style Boat Fishing Holder is a set of two adjustable rod rests designed for fishing enthusiasts. Made of durable stainless steel, rubber, and featuring a rail mount, these rod holders offer a secure and convenient way to hold fishing rods while out on the water. With a sleek silver color and compact dimensions, these holders are easy to install and provide stability for your fishing rods during a successful day on the water. Made in the United States, this product is a reliable and stylish addition to any fishing setup.