Nuk3y 220 Degree Wide Angle Heavy Duty Door Viewer, Antique Brass 2 Pack Heavy Duty Solid Brass Housing and Quality Lens Offers 220 Degree Wide Angle Coverage Adjustable Viewer Fits doors 1-3/8 inch to 2-1/8 inch thick Easy To Install - 9/16 Inch Diameter Hole Easily identify who is at the door before you open it