1.) Nielsen Security Hanging System for Metal Frames: --
This hanging system is designed for use with our Matte Black and Brushed Satin Nickel aluminum picture frame mouldings. Nielsen Security Hangers work to keep pictures hanging straight and prevent tampering with art. Perfect for use in hotels, offices, or anywhere your metroscape Black & White images are hanging in public and need to be secured to the wall. Complete instructions for use are included.