【8 Sizes】You will receive a total of 340pcs drywall screws, 60pcs M3.0×10mm, 60pcs M3.5×12mm, 50pcs M3.5×16mm, 30pcs M3.5×25mm, 30pcs M4.0×10mm, 40pcs M4.0.×12mm, 30pcs M4.0×16mm, 40pcs M5.0×12mm, different sizes of screws can meet different requirements. 【High Quality Material】The self-tapping screws are made of high quality carbon steel with black oxide on the surface, they are not easy to rust. Even in a humid environment, they have strong anti-rust and anti-corrosion properties, they are not easy to deform or break, they are beautiful and practical, durable. 【Easy to Store and Use】Eight sizes of screws are packed in a plastic box, no worry about damage or interference, easy to carry, use and find. Standard cross design, uniform and consistent, easy to lock, not easy to lock, faster and more convenient to use. This screw is self-tapping, it can be drilled directly when using. 【Fine Workmanship】The surface of the screw is smooth, the thread is clear, there are no burrs, and the head