304 stainless steel has anti-rust galvanized coating to 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 * 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 * Spring Lock Washers 40 * M5 Spring Lock Washers 30 * M6 Spring Lock Washers 20 * M8 Spring Lock Washers 20 * M10 Spring Lock Washers Only the above package content, other products are not included. Note: Light reflection 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.