Features: 1.Contains 280pcs / 12 different sizes of the most commonly used copper washers 2.Made of top quality copper material, high melting point up to 1083 3.High electrical conductivity and thermal conductivity, resistant to corrosion, good sealing effect, reliable to use 4.Equipped with a resealable plastic box, all washers are well placed in separated small grid-shape space, that makes more convenient to carry, select and collect 5.Widely application can be used for cylinder, valve, automobile, pump, bearing, sump plugs, water, fuel and hydraulic fittings Specification: Features:_x000D_ _x000D_ Contains 280pcs / 12 different sizes of the most commonly used copper washers. _x000D_ Made of top quality copper material, high melting point up to 1083. _x000D_ High electrical conductivity and thermal conductivity, resistant to corrosion, good sealing effect, reliable to use. _x000D_ Equipped with a resealable plastic box, all washers are well placed in separated small grid-shape space, that makes more convenient to carry, select and collect. _x000D_ Widely application can be used for cylinder, valve, automobile, pump, bearing, sump plugs, water, fuel and hydraulic fittings. _x000D_ _x000D_ Specifications:_x000D_ Condition: 100% brand new_x000D_ Material: copper_x000D_ Color: gold_x000D_ Quantity: 280pcs_x000D_ Size: 12 sizes_x000D_ M5 x 9 x 1 30pcs_x000D_ M6 x 10 x 1 30pcs_x000D_ M6 x 12 x 1 20pcs_x000D_ M8 x 12 x 1 30pcs_x000D_ M10 x 14 x 1 30pcs_x000D_ M8 x 14 x 1 20pcs_x000D_ M12 x 16 x 1 25pcs_x000D_ M14 x 18 x 1 25pcs_x000D_ M12 x 18 x 1.5 20pcs_x000D_ M16 x 20 x 1.5 20pcs_x000D_ M16 x 22 x 1.5 15pcs_x000D_ M20 x 26 x 1.5 15pcs_x000D_ Box Size: 175 x 100 x 20mm / 6.9 x 3.9 x 0.8in_x000D_ Package Weight: approx.314g_x000D_ Application: electrical connections on household, commercial appliances, automotive and marine uses in which the power source has a threaded / bolt-type connection_x000D_ _x000D_ Package List:_x000D_ 280 x Assorted Copper Washers PackageList: