1 set Bolts Screws with Nuts & 1 set Flat Washer and Lock Washer Assortment SetHigh Quality Stainless Steel Hex Socket Button Head Bolts Screws NutsDrive Type: Hex Socket; Head Style: Button HeadMaterial: 304 Stainless Steel; Different Size of M3 M4 M5 (Include M3 M4 M5 Nuts)Used widely in the home and office appliance, communication equipment, ship assembly and other machinery industry.Designed with 304 stainless steel material, the 304 stainless steel material provides strength and offers good corrosion resistance in many environments.Perfect for use in confined areas where the head needs to be flush or below the surface.has anti-rust galvanized coating to ensure service life, these high-quality matching washers are suitable for home, car and store useWidely used: Suitable for home and commercial electrical connection, power supply has threaded / bolt connection for automotive and marine applicationsMaterial:304 stainless steelcolour:SilverPackage Contents:60 * M2 Flat Washers60 * M2.5 Flat Washers60 * M3 Flat Washers60 * M4 Flat Washers40 * M5 Flat Washers30 * M6 Flat Washers20 * M8 Flat Washers20 * M10 Flat Washers60 * M2 Spring Lock Washers60 * M2.5 Spring Lock Washers60 * M3 Spring Lock Washers60 * M4 Spring Lock Washers40 * M5 Spring Lock Washers30 * M6 Spring Lock Washers20 * M8 Spring Lock Washers20 * M10 Spring Lock Washers30 * M3 x 8mm Screws30 * M3 x 12mm Screws30 * M3 x 16mm Screws30 * M3 x 20mm Screws20 * M4 x 8mm Screws20 * M4 x 12mm Screws20 * M4 x 16mm Screws20 * M4 x 20mm Screws15 * M5 x 8mm Screws15 * M5 x 12mm Screws10 * M5 x 16mm Screws10 * M5 x 20mm Screws1 * box3 * wrenchOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.