Door Viewer 160 Degree 1/2 Inch Hole Solid Brass Antique Brass

160 degree solid brass antique brass door viewer. This viewer allows a user to identify visitors from the security of a locked door. The viewer adjusts to fit doors from 1-1/4 inch to 2 inches thick and requires a 1/2 inch hole for installation. Includes 3 precision ground glass lenses.