Forget about nails, screws and tacks, 3M Command Quartz Terrace Medium Hooks is a fast and easy way to hang The revolutionary Command™ Clear Adhesive Strip stick to most surfaces, including paint, wood and tile It also removes easily leaving no holes, marks, or sticky residue Rehanging them is as easy as applying a Command™ Clear Refill Strip, so you can take it down, move and reuse them again and again