Usage Tips:Are you looking for professional products with reasonable prices? Are you looking for a sturdy, durable and reliable copper sealing washers that can complete multiple tasks? If so, our products will be your best choice! Our professional copper sealing washers will meet your needs. Features - Color:Rose Gold.- Material:Copper.- Size: About1.80X1.80X0.10cm/0.71X0.71X0.04inch.- Sturdy and durable, great corrosion resistance for outside applications, easy to install.- Our washers are well made, with smooth and shiny surface, which looks very attractive.- This item is corrosion resistant in wet environments, nonmagnetic, and electrically conductive.- Copper washers is a kind of material with high stability and low maintenance. It is environmentally friendly.- Flat washers are used to support and spread the load across the baring area of the bolt and nut to prevent pull through.Packing list: 200 x washers