this set can solve all your decorating needs.The multipack had hangers for all sizes and shapes of wall hangings. please choose the right size for your picture. Display your wedding photo frame and good memories with this multi-funtional hanging kit, strong hold photo display, good to decorate your home or office. good solution for hanging small to medium size frame with minimal damage to walls.Perfect for rentals. It only has 4 tiny pin hole like the push pin after careful remove with pliers or a knife .this plastic invisible traceless drywall frame hooks have the high quality of load-bearing, suitable for hanging home and office art decorations such as clock, photo frame, photo wall,framed canvases, calendars, posters, wreath. Plastic concrete wall hangers can be used as picture hanger, photo frame hanger, mirror hanger, utility hanger for decor items, key chains, bags, hats, decor, art, coat hanger. perfect for apartment, home, dorm, office, school, garage,garden and patio wall Art decor. Easily removed; little or no damage; leaves almost invisible or very tiny marks on wall. SUITABLE FOR A VARIETY SURFACES: work best on drywall,concrete wall,cinder block wall,cement walls, stickers wall, lime wall, whitewashed walls, wood, wooden doors,wallpaper walls. Perfect for home and office.Not recommended for plaster walls or older walls that are denser. NOTE: marble wall, glass ,title, stone wall ,brick wall and plasterboard are not suitable. Easy installation: gently hammer the four steel nails into the concrete wall until nail end is even with the white plastic hook top. and no trace will be left. It can make it easy for you or anyone else to install photos, paintings or other hanging ornaments.just make sure you slightly hammer on the 4 small steel nails, do not hammer on the plastic part which will easily broken. colour:white Material:Plastic, steel nails Package Contents: 20 x XL Picture hanging Hooks 5cm maximum load is 35 lbs 20 x Large Photo Hooks 4cm maximum load is 20 lbs 20 x Medium Frame Hooks 3cm maximum load is 10 lbs 40 x Small hanging Hooks 2.5cm maximum load is 2 lbs 4 x Star Head Hooks 2.6cm maximum load is 6 lbs 1 x Hook handrail Caution: 1 ,Nails are very sharp, so please use the hooks carefully in order to avoid accidentally injury fingers. 2 ,Please keep the hooks from children, place the product in safe area after use. 3.Some of the walls are loose on the surface, and when they knock on nails, they are easy to knock in and but provide terrible loads.Make sure you knock the hook and pull the hook. If you can't pull the hook, you can hang the picture frame safely. Do not continue to use the hook when you pull it out. 4.Just make sure you are using the right size when hanging items on the hooks Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.