Package Included: 200Pcs Copper Washers with Box Specification: Material: copper Quantity: 200Pcs Size: 200PCS 20pcs M6*12*1 20pcs M8*12*1 20pcs M8*14*1 20pcs M10*14*1 20pcs M12*16*1 20pcs M12*18*1.5 20pcs M14*18*1 Features: 1.Top quality copper material, melting point up to 1083℃. 2.Good electrical conductivity and thermal conductivity. 3.Solid copper sump plug washer set. All contained in a compact and see through compartmented plastic case. 4.Great for sump plugs, water, fuel and hydraulic fittings. 5.A sump plug washer set to suit all types of engines be it Car, Marine, Generators, Machinery and Plant. Note: 1.Please allow 1-3mm errors due to manual measurement,Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.