Avoid opening the door to unwanted visitors thanks to this satin nickel door viewer from Taymor®. The 180° peeping hole features three durable resin lenses and one exterior glass lens. To accommodate different door thickness the viewer can be adjusted from 1 3/8'' to 2 1/8'' with a 9/16'' (14 mm) bore size. It also offers a wide field of vision and fits standard size residential doors. Solid metal construction with an attractive satin nickel finish.