Product Description: Picture Hanging Hooks: Hang Different Items To Decorate Suitable For Hanging Pictures, Photos, Clocks, Paintings, Small Mirrors, Art, Keys, Clothes, Umbrellas, Bags Applicable Scene: Dry Wall Concrete Wall, Cinder Block Wall, Cement Wall, Plaster Wall, Lime Wall, White wall, Wooden Door, etc. Not Suitable For Glass, Tile, Steel Plate. powerful: M:Load Weight 20 LBS L:Load Weight 30 LBS Non-Trace Hanging Hook: Non-Trace Hanging Hook Perfect scheme for decorating hanging paintings！ [The Size Of It] Picture Frame Hooks M:1.57"*0.78" Load Weight 20 LBS; L:2.01 "*0.86" Load Weight 30 LBS, Complete installation in 30s. [Its USES] You Can Freely Combine The No Damage Wall Hangers To Hang Different Items To Decorate, Suitable For Hanging Pictures, Photos, Clocks, Paintings, Small Mirrors, Art, Keys, Clothes, Umbrellas, Bags [Its Material] Removable Hard Wall Hanger Made Of ABS And Steel Nails,4 Steel Nails Were Gently Driven Into The Wall With A Small Hammer In Selected Locations, Causing Minimal Damage To The Wall And Leaving Only 4 Shallow Holes In The Wall With The Removed Concrete Hook. [Its Scope Of Application] : Picture Hanging Hardware Can Be Used On All Kinds Of Surfaces, Most Suitable For Dry Wall, Concrete Wall, Cinder Block Wall, Cement Wall, Plaster Wall, Lime Wall, White wall, Wooden Door, etc. Not Suitable For Glass, Tile, Steel Plate. [ Wall Hanging Kit ]Best Art Painting/Wall Clock/Wedding Photo Wall Solution.