Glarks 300Pcs 12 Size Metric Flat Ring Copper Sealing Washers Assortment Set

★『High Quality Meterial』: All the flat washers are made of copper, which with high conductivity, corrosion resistant. They have a tighter seal and high heat resistance than steel and rubber washers

★『Good Performance』: These most commonly used copper washers have superior rust resistance and the excellent of oxidation resistance, which can ensure long time using and prolong screws lifespan, great for sump plugs, water, fuel and hydraulic fittings

★『Easy to Use』: They are very easy to install, the washer's surface are smooth can reduces friction between the screw and nut, prevents leakage, isolates, prevents loosening or dispersion pressure

★『Perfect Package』: In this set, It include 300Pcs metric flat washers of M5*9*1x35pcs, M6*10*1x30pcs, M6*12*1x30pcs, M8*13*1x30pcs, M10*14*1x30pcs, M8*14*1x25pcs, M12*16*1x25pcs, M14*18*1x25pcs, M16*20*1.5x20pcs, M16*22*1.5x15pcs, M12*18*1.5x20pcs, M20*26*1.5x15pcs for your use

★『Wide Application』: High quality copper flat washers with high conductivity perfect for electrical connections on household and commercial appliances, automotive and marine uses in which the power source has a threaded/bolt-type connection