Perfect for electrical connections on household and commercial appliances, and automotive and marine use that have a threaded or bolt-type power connection. 500PCS 6 Sizes Stainless Steel Flat Washer are packed into a sturdy transparent box organizer. Weak Magnetic, the magnetic properties of 304 stainless steel due to the structure transformation reasons are not at the same level as the magnetic properties of stainless steel of other materials.High Quality 304 Stainless Steel, the 304 stainless steel material features strength and offers good corrosion resistance in bad environment like high temperature, cold weather, and high humidity areas. They have superior rust resistance and the excellent of oxidation resistance, which can ensure long time using. Name:Flat Washer Set Quantity:500pcs Color:silver Material:stainless steel Size:11.8*8.1*2.3 CM Package Contents: 100x M1.6 washer 100x M2 washer 100x M2.5 washer 100x M3 washer 50x M4 washer 50x M5 washer 1x Plastic box Only 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.