Features [Good performance] This crankcase plug washer has many good characteristics, such as electrical conductivity and thermal conductivity. [568 Available] There are 568 pcs solid copper oil pan gasket sets that offer a variety of options. [Portable Storage] All components are packed in a compact packaging box and can be viewed through a separate plastic box. [Practical] These copper rings are very suitable for oil sump plugs, water, fuel and hydraulic accessories. [Widely applicable] A set of oil sump gaskets suitable for all types of engines, including cars, ships, generators, machinery and factories. =``Specif Material: copper Size types: 30 Quantity: 568 PIECES Box size: Approx. 18 x 27 x 4.5cm / 7.08 x 10.62 x 1.77 inches Weight: 743 g Washe r Size: 40pcs x copper rings 4 * 8 * 1 40pcs x Copper Washers 5 * 9 * 1 40pcs x Copper Washers 6 * 10 * 1 40pcs x Copper Washers 6 * 12 * 1 40pcs x copper washers8 * 12 * 1 40pcs x copper washers8 * 14 * 1 40pcs x copper rings 10 * 14 * 1 40pcs x copper rings 10 * 16 * 1 40pcs x Copper Washers 12 * 16 * 1.5 40pcs x Copper Washers 12 * 18 * 1.5 40pcs x Copper Washers 13 * 18 * 1.5 40pcs x Copper Washers 14 * 18 * 1.5 5pcs x Copper Washers 14 * 20 * 1.5 5pcs x copper washers16 * 20 * 1.5 5pcs x Copper Washers 17 * 21 * 1.5 5pcs x copper washers17 * 23 * 1.5 5pcs x copper rings18 * 22 * 1.5 5pcs x Copper Washers 18 * 24 * 1.5 5pcs x copper rings20 * 24 * 1.5 5pcs x copper rings20 * 26 * 1.5 5pcs x copper washers21 * 26 * 1.5 5pcs x copper washers21 * 28 * 1.5 5pcs x Copper Washers 22 * 27 * 1.5 5pcs x Copper Washers 22 * 29 * 1.5 5pcs x Copper Washers 24 * 30 * 2 5pcs x copper washers26 * 32 * 2 5pcs x Copper Washers 27 * 32 * 2 5pcs x copper washers28 * 34 * 2 5pcs x copper washers30 * 36 * 2 3pcs x copper washers33 * 39 * 2 Package Inc luded: 1 x box of 568 pcs copper rings Package List 1 x Case of 570pcs Copper Washers