CRL-USALUM ALUM-S4020B-VCP-1

By buying the <b>CRL Wide Angle Door Viewer</b> in a handy bulk pack of ten, you not only save on your per unit cost, but you also will have them in stock when the need arises. The wide angle viewer allows a 180 degree view of the outside of the door. It has a solid brass housing with plastic lens which will fit a 1-3/8" to 2-1/8" (35 to 54 mm) thick wood or metal door. It is easy-to-install by drilling a 9/16" (14.3 mm) hole and screwing the two sections together. Ten viewers per package.