Feature 1PREMIUM MATERIAL: These sawtooth picture hangers are made from quality iron material which is sturdy and durable. 2EXTRA DURABILITY: With nickle plated iron, these sawtooth picture hangers has rust resistance and strong holding. 3FUNCTION: These sawtooth picture hangers are suitable for hanging photo frame, clothes and tools in cars and ships. 4SEAMLESS: The screws included in the package will not damage your wall, creating a clean and tidy environment. 5EASY TO USE: Sawtooth hangers is secured with double screws, providing more convenient installation.Item Type: Sawtooth Picture HangersMaterial: IronSurface Treatment: Nickel PlatingInstallation Location: It Can Be Used for Tools, Photo Frames, Clocks and Other Items That Need to Be Hung on Ships or RvsScope of Application: RV, Ships, Large Trucks, Etc.Serrated Product Aperture: Approx. 4mm / 0.15in .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List100 xSawtooth Picture Hangers200 x ScrewsNote(1) the product is a small object, do not let children play with it. (2) the surface of the product is sharpened, so it is recommended to use it under gloves.