Specifications High-concerned chemical:None Material:IRON Origin: China p{margin-block-start: 0; margin-block-end: 0} Package Included - 80Pcs in total, 40pcs picture frame hooks and 40 finishing picture hanging nails. Works great for hanging objects on wooden walls, dry walls and normal plasterboard. But hard for concrete wall, marble wall or ceramic wall. 2.Removable Hardwall Picture Hanging Hooks:Easily removed;Small size, no damage to the wall, not easy to fall off after installation. 3.Multi-fuction hanging solution kit:Hooks can be used as picture hanger, photo frame hanger, mirror hanger, utility hanger for decor items, key chains, bags, hats, decor, art, coat hanger. 4.Suitable for many kinds of surfaces: these non-mark picture hooks can be applied on brick wall, cement wall, plaster wall, lime wall, white wall, wooden door, wallpaper wall, etc. 5.These heavy duty picture hooks can hold up to 30lbs to better protect your hanging items, giving you peace of mPackage Included - 80Pcs in total, 40pcs picture frame hooks and 40 finishing picture hanging nails. Works great for hanging objects on wooden walls, dry walls and normal plasterboard. But hard for concrete wall, marble wall or ceramic wall. 2.Removable Hardwall Picture Hanging Hooks:Easily removed;Small size, no damage to the wall, not easy to fall off after installation. 3.Multi-fuction hanging solution kit:Hooks can be used as picture hanger, photo frame hanger, mirror hanger, utility hanger for decor items, key chains, bags, hats, decor, art, coat hanger. 4.Suitable for many kinds of surfaces: these non-mark picture hooks can be applied on brick wall, cement wall, plaster wall, lime wall, white wall, wooden door, wallpaper wall, etc. 5.These heavy duty picture hooks can hold up to 30lbs to better protect your hanging items, giving you peace of mind.ind.