This set contains a variety of padded picture hangers and nails. The padded hangers allow you to hang pictures, mirrors, plaques and more without damaging your walls. The backs of these hangers are padded to prevent scratches to the wall and also have an adhesive backing making hanger placement easy. The adhesive back will not leave sticky reside on walls. It includes hangers that can accommodate up to 10, 20,30,50,and 100 lbs. It also includes bonus round, clear rubber bumpers that can be used to protect the frame and walls.