About This High Quality Materials: BNUOK hardware nails is made of high-quality galvanized carbon steel, which has good corrosion resistance, rust resistance and high hardness. Not easily broken and bent Well-Made Hardware Nails: Large flat head design, with large stress area and uniform force.This nails has a sharp tip, keep the shape and not bend easily when you use, suitable for finishing all woodworking projects Widely Used: These nails are widely used for various wooden projects at home or at work, such as picture hanging, DIY production, making crafts, home decorating, and home maintenance Cost-Effective Long Nails: You will get 2LB (79pcs) 4 inch × 9Gauge/3.8mm black hardware nails, which can meet your long-term use needs Noted : Our black nails can be used outdoors without worrying about rusting. We promise a 24-month warranty, if you have any problems, please feel free to contact us, we will solve your problem within 24 Hours Overview Size : 4 in Color : 2lb Per Box Material : Black Steel Brand : BNUOK Item dimensions L x W x H : 4.09 x 4.09 x 2.68 inches