This folding push pole holder has a stamped 304 stainless steel base and hinge that mounts to the deck with 4 - #8 screws (not included). The heavy duty cast 316 stainless steel clamp has a molded rubber insert and folds up to hold a 1-1/2" push pole securely when underway. Folds flat when not in use to reduce tripping hazard. Featured on Beavertail Skiffs for years.If you have broken your old plastic pole holder, it's time to move up to an extra heavy duty model! Dimensions:A = Overall length - 2-7/8"B = Mounting holes length on center - 1-13/16"C = Mounting holes width on center - 1-3/16"D = Overall width - 2-1/4"E = Inner diameter of clamp - 1-7/16" (to hold a 1-1/2" pole)Stands 5/8" off deck when folded down