Features Sufficient Quantity: Such 320PCs hardware fasteners can meet your different needs for long-term use. The hardware fastener combination kit has high strength and good durability. Wide Application: The industrial parts of these flat head rivet sets support a wide range of applications in home decoration, construction, industry and more. Easy Installation: High quality screws, nuts and flat head rivet sets are easy to use and install, you can buy and use with confidence, making it more convenient for you to use. Durable: With high strength and good durability, these screws and nuts can be adapted to various sizes to suit your needs.Use for Beds, Tables, Chairs, Workbenches, Boards, Cabinets, Cabinets, Other Furniture. Easy to Use: Can be used to hold many different materials, this hardware fastener can be installed on many different types of materials. Use for Beds, Tables, Chairs, Workbenches, Boards, Cabinets, Cabinets, Other Furniture. Specification: Item Type: Screws + nuts + flat head rivet set Commodity Material: Iron Product Size (mm): M5 x 5, M5 x 6, M5 x 8, M5 x 10, M5 x 12, M5 x 15, M5 x18, M5 x 20 Rivet Size (mm): M4 x 4 Package List: 20 x  Silver Screw + Nut for Ledger (M5 x 5)20 x  Silver Screw + Nut for Ledger (M5 x 6)20 x  Silver Screw + Nut for Ledger (M5 x 8)20 x  Silver Screw + Nut for Ledger(M5 x 10)20 x  Silver Screw + Nut for Ledger (M5 x 12)20 x  Silver Screw + Nut for Ledger (M5 x 15)20 x  Silver Screw + Nut for Ledger (M5 x 18)20 x  Silver Screw + Nut for Ledger (M5 x 20)160 x Rivet Package List 20 x Silver Screw + Nut for Ledger (M5 x 5) 20 x Silver Screw + Nut for Ledger (M5 x 6) 20 x Silver Screw + Nut for Ledger (M5 x 8) 20 x Silver Screw + Nut for Ledger(M5 x 10) 20 x Silver Screw + Nut for Ledger (M5 x 12) 20 x Silver Screw + Nut for Ledger (M5 x 15) 20 x Silver Screw + Nut for Ledger (M5 x 18) 20 x Silver Screw + Nut for Ledger (M5 x 20) 160 x Rivet