These washers are made by copper material to ensure the , which can serve you well. washer can be used to replace old or broken one. Good craftsmanship and reasonable design make it provide you with a . An essential kit for mechanics, plumbers, and DIY enthusiasts. Features -Color:Assorted Color -Material:Copper -Size:17.20X9.50X2.30cm/6.76X3.73X0.90in - washers includes a variety of sizes suitable for various applications, such as commercial appliances, automotive and marine. - The copper washers are resistant to corrosion, provide a secure and , versatile for a wide range of jobs. - The oil drain plug washers are compatible with a wide range of fluids, including oil, water, and more. - The oil drain plug gasket assortment is made from copper for extended durability and performance. construction of the washers ensures not rust easily, not easy for deforming or losing its sealing property. Package list: 30 washers M5x9x1 30 washers M6x10x1 20 washers M6x12x1 30 washers M8x12x1 30 washers M10x14x1 20 washers M8x14x1 25 washers M12x16x1 25 washers M14x18x1 20 washers M12x18x1.5 20 washers M16x20x1.5 15 washers M16x22x1.5 15 washers M20x26x1.5