T&H MARINE BUNGY STYLE ROD STRAP 18" MODEL ROD TAMER™ straps are the best design and highest quality of any rod holding device on the market. These straps are molded of black polyurethane material that will retain its stretch and remain unaffected by sunlight and most chemicals GUNWALE MOUNT The mounting flange mounts into a 3/4" hole in the gunwale with two countersunk screws. Strap can retract into the gunwale when not in use. This model is perfect for most fiberglass boats.