Prime-Line Products U 9895 160-Degree Door Viewer with 1/2-Inch Bore, Solid Brass
Price 3.19 USD
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 In. diameter housing easily fits 1-3/8 In. to 2-1/8 In. thick wood or metal doors.