This door viewer is constructed from solid brass and includes both plastic and glass lenses. The glass lens viewers are UL listed. The 1/2 inch diameter housing easily fits 1-3/8 inch to 2-1/8 inch thick wood or metal doors.
This Defender Security 9/16 inch Bore 180 degree Solid Brass Door Viewer features plastic and glass lenses within a metal housing. The viewer can be installed in doors with a thickness of 1-3/8 - 2 inch.
This Prime-Line Products door viewer is constructed from solid brass and comes plated in satin nickel. It features solid brass end caps and UL listed glass lenses. It provides 200-degrees of viewing and fits on 1-3/8 to 2-1/8 inch thick wood or metal doors.