Robust Materials: The foam board fasteners are made of high-quality steel with a rust-proof galvanized outer surface, offering strength, resistance to deformation, and durability. Abundant Quantity: The package includes 150 galvanized steel foam board fasteners with a diameter of approximately 1-1/8 inches and 150 screws. This ample quantity meets daily use and replacement needs. Easy to Install: The 1-1/8 inch board washers feature a center groove for drive screws and a convex back designed to insert into the surface of the backing board for secure fastening. Installation can be completed easily by one person. Practicality: These foam board fasteners provide an efficient and practical solution for securing foam boards, backing boards, and similar materials, offering reliable performance and convenience. Wide Usages: Suitable for various installations including home decor, schools, hotels, and other infrastructure projects, helping save time and effort. Quantity: 300 Pieces Color: Silver Material: Metal Package Contents: 150 x Fastener Washers, 150 x Screws Note: Light reflection and differences in display screens may cause slight variations between the color of the item in the image and the actual product. Measurement may vary by +/- 1-3 cm.