Features Used widely in the home and office appliance, communication equipments, ship assembly and other machinery industry Environment-friendly, no pollution, high hardness fixing component, industrial and construction fasteners Well packed and assorted in a transparent plastic box for convenient use and storage Six common sizes for general purpose use, meet daily basic needs Made of 304 stainless steel material, the 304 stainless steel material provides strength and offers good corrosion resistance in many environments Specifications: Material: 304 stainless steel Type: Button head hex socket Size and Quantity: Screws: M3 x 6mm     50pcs M3 x 8mm     50pcs M3 x 10mm   50pcs M3 x 12mm   50pcs M3 x 16mm   50pcs M3 x 20mm   50pcs Nuts    300pcs Box Size: 12.5 x 6.3 x 2.3cm / 4.92 x 2.48 x 0.9" Weight: 330g(approx.) Package Includes: 300pcs x Screws 300pcs x Nuts Note: 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. Package List