Specification BatteriesIncluded : 1 BatteriesRequired : 1 Brand : GOTOTOP BulletPoint1 : 【High-quality copper】Solid copper has high conductivity, heat and high voltage . Ideal for sump plugs, water, fuel and hydraulic fittings. BulletPoint2 : 【Application】Copper washers are used for electrical connections, such as household, commercial appliances, automotive, marine, generators, machinery and plant. BulletPoint3 : 【Function】Flat washers can spread a load, and prevent damage to the being fixed, and insulate steel screws from Reduce friction, prevent loosening or dispersing pressure. BulletPoint4 : 【Size and quantity】Copper washer set contain 280Pcs/12 Sizes(M5 M6 M8 M10 M14 M16 M20)of the most commonly used copper washers. BulletPoint5 : 【USAGE】The washer is a thin disk-shaped plate with a hole in the middle that is normally used to distribute the load of a threaded fastener, such as a screw or nut. Other uses are as a spacer, wear pad, pre-load indicating device, locking device, and to reduce vibration Color : Black ExteriorFinish : Copper ExternallyAssignedProductIdentifier1 : 602451795506 ExternallyAssignedProductIdentifier2 : 0602451795506 GpsrSafetyAttestation : 1 ItemName : Copper Washers, 280pcs 12 Sizes Automotive Motorcycle Assorted Solid Copper Crush Washers Flat Brass Round Seal Flat Rings Kit with Storage Box Assortment Kit Set Assorted SAE ItemPackageDimensions_Height : 17.4 centimeters ItemPackageDimensions_Length : 2.3 centimeters ItemPackageDimensions_Width : 9.8 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : flat-washers Manufacturer : Cusco Material : Copper MetalType : Aluminum MetalType1 : Copper MetalType2 : Alloy Steel MetalType3 : Brass ModelNumber : US-SA-AJD-186400 NumberOfItems : 12 NumberOfPieces : 280 PartNumber : GOTOTOPh4zmy7kv05 ProductDescription : Features: Contains 280pcs / 12 different sizes of the most commonly used copper washers. Made of top quality copper material, high melting point up to 1083?. High electrical conductivity and thermal conductivity, to , good sealing effect, to use. 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. Widely application can be used for cylinder, valve, automobile, pump, bearing, sump plugs, water, fuel and hydraulic fittings. Specifications: Condition: brand new Material: copper Color: gold Quantity: 280pcs Size: 12 sizes M5 * 9 * 1andnbsp; 30pcs M6 * 10 * 1andnbsp; 30pcs M6 * 12 * 1andnbsp; 20pcs M8 * 12 * 1andnbsp; 30pcs M10 * 14 * 1andnbsp; 30pcs M8 * 14 * 1andnbsp; 20pcs * 16 * 1andnbsp; 25pcs M14 * 18 * 1andnbsp; 25pcs * 18 * 1.5andnbsp; 20pcs M16 * 20 * 1.5andnbsp; 20pcs M16 * 22 * 1.5andnbsp; 15pcs M20 * 26 * 1.5andnbsp; 15pcs Box Size: 175 * 40 * 20mm / 6.9 * 1.6 * 0.8in Package Weight: approx.314g Application: electrical connections on household, commercial appliances, automotive and marine uses in which the power source has a threaded / bolt-type connection