Command™ Frame Stabilizer Strips are to assist frames that are hung by nails. They keep them straight and level. 4 sets of strips per pack. Command™ Picture Hanging Strips range make Decorating quick and easy. One click tells you Picture Hanging Strips are locked in and holding tight. Best of all, when you are ready to take down or move your pictures, they come off cleanly - no nail holes, cracked plaster or sticky residue. If you don't want to use nails, see the extensive range of Command™ Picture Hanging Strips. Contains 4 sets of strips.