Product Description OOK French Cleat Mirror, Canvas, and Picture Hangers are great for hanging canvas artwork or any open back frames. Designed with anti-corrode technology this interior/exterior hanging system will hold up to 100lbs. This French Cleat (a methodology of securing objects to a wall at a 30-45 degree slope without bearing the full weight of that item) styled hanging system sits flush against walls without the use of studs. This system includes a level, Wall-Dog mounting screws, screws, and packaged instructions. Hanging decor could never be easier. From the Manufacturer Professional French Cleat Picture Hanger hangs the artwork level every time. Interlocking brackets for safety and security. Wall Dog mounting screws included. Holds up to 200 pounds.