Usage Tips:PACKAGE INCLUDES: The french cleat picture hanger set including 2 pieces french cleat picture hanger, 6 pieces screws,6 pieces expansion plugs, combination is sufficient for you needs. FLEXIBLE AND LONG LASTING: The Heavy Duty Picture Hanger are made of high quality iron, safe and reliable, not easy to deform, tear or break. It is reusable and flexible that you can change your design easily, create a look wall art for home from at any time. EASY TO INSTALL: The Z Bar interlocking bracket kit includes all fastening hardware tools which can be quick and easy install, the hangers lift off for fixtures or removal in seconds. The rubber bumpers to protect the wall surface and hold the art evenly away from wall. MULTI FUNCTIONAL: The picture hanging kit is not only suitable for assembling mirror, photo and whiteboard, but also applicable for wallboard, shelf, headboard, artwork, cabinet, partition art frame and more. PROPER SIZE AND SHAPE: The length of Z clips is 30cm/11.81 inch, and supports 90 pounds. Convenient for you to operate, without taking up too much space and Z shape designed is easiest hidden bracket to connect, make your picture frame firmly fit with the wall without leaving redundant holes.