Description from Conran USA

The Picture Wall Gallery Frame Set is a complete system for hanging 10 gallery style picture frames quickly and precisely anywhere in your home. Simply use Picture Wall's patented “Pre-View” Template which will allow you to determine placement, height and character of frames. The easy to use template adheres to any surface allowing you to “Pre-View” what the frames will look like prior to hanging them. The templates also have a unique leveling system so that all frames will be accurately positioned and level every time. A variety of finishes and frame widths are available.