300PCS Copper Washer Flat Washers Copper Assortment Kit

Product Description Package content: a box of copper washers (300pcs) 1.Material: Copper. High conductivity corrosion resistant. Good electrical conductivity and thermal conductivity. 2.It contains 300pcs / 12 sizes of the most commonly used copper washers. Ideal for sump plugs water fuel and hydraulic fittings. 3.Come with a plastic storage box for storage. Durable copper material that lasts a long time. 4.Perfect for electrical connections of household and commercial appliances automobiles and marine where the power source has a threaded / bolt connection. 5.Package Include: 300 x Copper Washer 1 x Plastic Box.