JESTOP Copper Flat Washers 280PCS/Box Copper Washers for Screws with 12 Sizes Locking Washers (M5 M6 M8 M10 M12 M14 M16 M20)

12 sizes of flat washers Specifications: 5 x 9 x 1 mm --- 30 pcs ； 6 x 10 x 1 mm --- 30 pcs 6 x 12 x 1 mm --- 20 pcs ； 8 x 12 x 1 mm --- 30 pcs 8 x 14 x 1 mm --- 20 pcs ； 10 x 14 x 1 mm --- 30 pcs 12 x 16 x 1 mm --- 25 pcs ； 12 x 18 x 1.5 mm --- 20 pcs 14 x 18 x 1 mm --- 25 pcs ； 16 x 20 x 1.5 mm --- 20 pcs 16 x 22 x 1.5 mm --- 15 pcs ； 20 x 26 x 1.5 mm --- 15 pcs This copper gasket kit Copper which has high conductivity and strong corrosion resistance. It contains 280Pcs /12 Sizes of the most commonly used copper washers，which greatly meet your different needs. For families washers for screws are very important hand tools. Perfect for electrical connections on household and commercial appliances automotive and marine uses. They are very easy to install the washer s surface are smooth can reduces friction between the fasteners prevents leakage isolates prevents loosening or dispersion pressure. Note: Please keep this product away from baby to prevent baby from swallowing! When used for electrical connection please pay attention to safety during installation.