1 set Bolts Screws with Nuts & 1 set Flat Washer and Lock Washer Assortment Set High Quality Stainless Steel Hex Socket Button Head Bolts Screws Nuts Drive Type: Hex Socket; Head Style: Button Head Material: 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 use Widely used: Suitable for home and commercial electrical connection, power supply has threaded / bolt connection for automotive and marine applications Material:304 stainless steel colour:Silver Package Contents: 60 * M2 Flat Washers 60 * M2.5 Flat Washers 60 * M3 Flat Washers 60 * M4 Flat Washers 40 * M5 Flat Washers 30 * M6 Flat Washers 20 * M8 Flat Washers 20 * M10 Flat Washers 60 * M2 Spring Lock Washers 60 * M2.5 Spring Lock Washers 60 * M3 Spring Lock Washers 60 * M4 Spring Lock Washers 40 * M5 Spring Lock Washers 30 * M6 Spring Lock Washers 20 * M8 Spring Lock Washers 20 * M10 Spring Lock Washers 30 * M3 x 8mm Screws 30 * M3 x 12mm Screws 30 * M3 x 16mm Screws 30 * M3 x 20mm Screws 20 * M4 x 8mm Screws 20 * M4 x 12mm Screws 20 * M4 x 16mm Screws 20 * M4 x 20mm Screws 15 * M5 x 8mm Screws 15 * M5 x 12mm Screws 10 * M5 x 16mm Screws 10 * M5 x 20mm Screws 1 * box 3 * wrench Only the above package content, other products are not included. Note: Light shooting 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.