Say goodbye to holes, marks, or sticky residue on your walls, doors, or closets; Command Hooks by 3M are easy to use and help keep your walls looking beautiful. Forget about nails, screws and tacks, Command 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. Reorganize when inspiration strikes. These wall hooks leave no sticky adhesive behind. One hanger holds four pounds.