Prime-Line Products U 9881 200-Degree Door Viewer with 9/16-Inch Bore, Satin Chrome/Brass Chrome
This post contains affiliate links. As an Amazon Associate I earn from qualifying purchases This door viewer features a solid brass housing and is finished in chrome. It includes both plastic and UL listed glass lenses. It has a 1/2 in. diameter and fits on wood or metal doors that are 1-3/8 to 2-1/8 in.