Command Sawtooth Picture Hangers are designed to hang sawtooth, D ring and keyhole hanging frames Forget about nails, screws and tacks, Command Sawtooth Picture Hangers are fast and easy to hang. There’s no hassle, no holes left behind, and no harm done Holds strongly on a variety of smooth indoor surfaces including painted walls, smooth ceilings, finished wood, glass, tile, and metal, Weight: 0.03 pounds, Manufacturer: 3M