Description:These screws and nuts are made of 304 stainless steel, which is resistant to rust and corrosion. There are many sizes in one set which can be commonly used in home and office appliance, machinery, furniture, repair and inventions.Features:Made of 304 stainless steel material, the 304 stainless steel material provides strength and offers good corrosion resistance in many environments.Environment-friendly, no pollution, high hardnessfixing component, industrial and construction fasteners.Nine common sizes for general purpose use, meet daily basic needs.Well packed and assorted in a transparent plastic boxfor convenient use and storage._x005F_x000D_Used widely in the home and office appliance, communication equipment, ship assembly and other machinery industry.Specifications:Material: 304 stainless steelType: Pan head_x005F_x000D_Size and Quantity:M2*6mm Screw 20pcsM2 Nut 20pcsM2.5*8mm Screw 20pcsM2.5 Nut 20pcsM3*8mm Screw 10pcsM3*12mm Screw 5pcsM3*16mm Screw 5pcsM3 Nut 20pcsM4*8mm Screw 5pcsM4*16mm Screw 5pcsM4 Nut 10pcsM5*8mm Screw 5pcsM5*16mm Screw 5pcsM5 Nut 10pcsBox Size: 12.5 x 6.3 x 2.3cm / 4.92 x 2.48 x 0.9"Weight: 152g(approx.)Package Includes:80pcs x Screws with Washers80pcs x NutsNote:1. Please allow 1-3mm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.