This 8” Solid Brass Heavy Porthole Window with 1 7/8″ Flange would make a great addition to any room in your home. This item is made of solid brass. Weight approx. 6 lb. Glass viewing area 4 5/8″. Inner flange (spigot) depth 1 7/8″. Flange outside diameter 5 5/8″ flange 1/8″thick. Quality hinge and weather seal. Great port for doors! This port comes with machine screws for the spigot depth…if your depth is different you can use any fastening devices needed for your application. These portholes open and have a brass ring for the outside of the port! Our exclusive! Note: The interior opening porthole window comes with glass, the outer trim ring does not have glass. Specifications: Diameter of Entire Piece: 8″Dia Weight: 6 pounds Viewing Area of Window: 4 5/8″Dia Flange Depth: 1 7/8″ Flange Width: 5 5/8″W Overall Height with Dogears Screwed-In: 4 7/8″H