Price For: Each For Use In: Low Pressure seal in Circular Openings Item: Mechanical Expansion Plug Type: Turn-Tite Material: Brass, Zinc Plated Steel, Neoprene Rubber Min. Dia.: .562 Max. Diameter: 0.630 Max. Back Pressure: 10 ft. of Head Nominal Size: 5/8" Country of Origin (subject to change): United States