Forget about nails, screws and tacks, Command™ Picture Hanging Strips are fast and easy to hang – no more holes to worry about! Strips ‘snap’ and lock together, providing a secure strong hold. Using the revolutionary Command™ Adhesive, they hold strongly on a variety of surfaces, including painted walls, wood, tile and more. Yet, removes cleanly - no holes, marks, sticky residue or stains. Each pack contains 4 sets of medium black strips. 4 medium strips hold up to 5.4kg. Ideal for frames no bigger than 46cm x 61cm in size.