Good Value: You will receive five small bags of mirror mounting hardware in total. Each bag contains two each of mini J hooks, metal screws, steel nails and yellow wall plastic anchors. The picture hook is made of 304 stainless steel,durable and rust-resistant. Elegant Design: The size of the j hook is around 0.5x1.2x0.4 inches, just as the pics show, and it is tiny enough so it would not create a big gap between the mirror and the wall. So the hidden stainless mounting hooks is almost invisible for your art pictures and framed mirrors, not detracting from their beautiful appearances. Heavy Duty Hooks for Hanging: Through a 48-hour test, it is secure to hang a dumbbell weighed 10kg/22lb. With a load capacity of 10kg/22 pounds, j hooks for hanging can ensure the safety of your valuable pictures,not easy to fall off. If your mirror or picture are over 22 lb, add a few more frame hooks as supports before hanging. Quick to Install. First you should make a mark and pinpoint the location. Then for wooden wall, plaster or drywall, punch a hole, place the plastic anchors and drill the metal screws into it. For harder wall like concrete wall, you can install with J hook and the steel nail. We don’t suggest you use it on ceramic tiles for it might damage the surface of the wall. Wide Applications: Heavy duty hooks for hanging are applicable to the wall of the living room, dining room, bedroom, studio, and doorway. The picture hanging hardware are suitable for hanging mirrors, pictures, photos, shower baskets, towers, bags, speakers and other ornaments, bringing a lot of convenience to life., Manufacturer: AccEncyc