This steel wall hooks is suitable for hanging hats, calendars, keys, measuring spoons, jewelry, brushes, kitchen utensils, home decor and accessories work without leaving holes. This wall hangers work on a variety of smooth surfaces, including painted walls, finished wood, painted concrete cinder blocks, laminate, glass, metal and tiles. These wall hooks leave no sticky adhesive behind. It’s perfect to use in your college dorm, apartment, home, and office.