[Package contents]20pcs 2.5cm picture hooks, 10pcs 3cm picture hooks, 10pcs 4cm picture hooks, 10pcs 5cm picture hooks, 10pcs Four-pointed Star Hooks and 2pcs hook handrail. [Easy To Use]Picture Hanging Set is easy to use,simply tap the nails in with a small hammer pins straight in and will not leave obvious marks. It can make it easy for you or anyone else to install photos, paintings or other hanging ornaments. [Suitable Surfaces]Picture Hanging Hooks suit for hard wood ,lime wall, cement wall, sand wall, wallpaper and wardrobes; But its not suit for stud walls, marble wall, glass , stone wall ,brick wall and plasterboard. [Non-Trace Hooks]The Non-Trace Hooks are different from the previous nails. The Non-Trace hanger hook is composed of multiple fine steel nails,which will leave no trace on the wall, It only has 4 tiny pin hole like the push pin after careful remove with pliers or a knife , and And the bearing capacity is strong ,surface is more beautiful. [Wide Application]Picture Hooks suitable for large wedding photos, oil paintings, cross-stitch, artwork, clothes, bags, umbrellas, clocks and other different needs. Picture Hanger is a good tools for hanging picture on solid walls.