[Best combination]: A total of 580 304 stainless steel flat washers, 9 sizes: M2, M2.5, M3, , M5, M6, M8, M10, M12. These sizes include almost 9 commonly used sizes in our lives. [Top 304 stainless steel]: Flat washers are made of top 304 stainless steel, which has the advantages of high hardness, corrosion resistance and rust resistance. [Exquisite storage box]: We hope that every time customers use flat washers, it becomes simple and clear, so we put 9 sizes of flat washers in 9 grids, and each grid is marked with a size label. [Wide application]: Suitable for indoor decoration, outdoor construction, electrical maintenance and furniture repair. It is very suitable for electrical connections with threaded/bolted connections in household and commercial electrical appliances, automotive and marine power supplies. Colour: silver Material: 304 stainless steel Package Contents: 100 * M2.0 flat washers 100 * M2.5 flat washers 100 * M3.0 flat washers 100 * .0 flat washers 60 * M5.0 flat washers 40 * M6.0 flat washers 50 * M8.0 flat washers 20 * M10 flat washers 10 * M12 flat 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.