【Assorted Sizes for Versatile Use】Includes 45 picture hooks in 3 sizes (3cm, 4cm, 5cm), suitable for hanging pictures, paintings, and decorations of varying weights. Ideal as a picture hanging kit for different needs. 【Non Trace Hooks for Clean Walls】Equipped with multiple small nails, these damage free hooks hold frames securely without leaving obvious marks. The invisible design hides picture hooks behind photo hangers. 【Sturdy Heavy Duty Hooks】Made with strong plastic and steel nails, these picture hooks for hard walls resist bending and hold medium-weight items like clocks and mirrors safely. 【Wide Application Wall Hooks】Suitable for stucco, concrete, and wooden walls, these no nail hooks are great for hanging pictures, tapestries, keys, bags, and more. Note: not for glass, ceramic tile, stone, or load-bearing walls. 【Easy Installation & Removal】Each picture hanger features four nails for quick setup with minimal wall damage. Removal leaves only small holes that are easily concealed, keeping walls neat and tidy., Manufacturer: umyeoqoyo