SeaLux Marine Boat Rail Mount Clamp-On Fishing Rocket Launcher Rod Holder 7/8" to 1" Horizontal Mount SeaLux Marine Boat Rail Mount Clamp-On Fishing Rod Holder Horizontal for7/8" - 1" tubing rail Mirror finished stainless steel construction, for sleek appearance. 316 SS Clamp, 304 SS tube Suit for modern watercraft. Ideal for fishing boats with rails, where gunwale space may be limited Rubber insert to protect your fishing rod from any wear against the stainless surface 4 screw clamping design is stronger and tighter than other clamp on rod holders for a more secure slip resistant rod holder to keep your rods safe. Integrally cast gimbal bar is indestructible. Includes UV resistant white vinyl liner to protect rods.