Features:_x000D_ _x000D_ Good electrical conductivity and thermal conductivity. _x000D_ 80pcs solid copper sump plug washer set for multiple choices. _x000D_ All contained in a compact and see through compartmented plastic case. _x000D_ Great for sump plugs, water, fuel and hydraulic fittings. _x000D_ A sump plug washer set to suit all types of engines be it Car, Marine, Generators, Machinery and Plant. _x000D_ _x000D_ Specifications:_x000D_ Material: Copper_x000D_ Size types: 8_x000D_ Quantity: 80PCs_x000D_ Box size: Approx. 12.8 x 7 x 2.2cm / 5.03 x 2.75 x 0.86inch_x000D_ Weight: 150g_x000D_ _x000D_ 80Pcs Solid Copper Washers List:_x000D_ Size: (I/D x O/D x Thickness) Quantity _x000D_ M20*26*1.5 5pcs _x000D_ M18*24*1.5 5pcs _x000D_ M16*22*1.5 10pcs _x000D_ M14*20*1.5 10pcs _x000D_ M12*18*1.5 10pcs _x000D_ M10*16*1 10pcs _x000D_ M8*14*1 15pcs _x000D_ M6*12*1 15pcs _x000D_ _x000D_ Package Included:_x000D_ 1 x Pack of 80pcs Copper Washers_x000D_ 1 x Case 1Good electrical conductivity and thermal conductivity. 280pcs solid copper sump plug washer set for multiple choices. 3All contained in a compact and see through compartmented plastic case. 4Great for sump plugs, water, fuel and hydraulic fittings. 5A sump plug washer set to suit all types of engines be it Car, Marine, Generators, Machinery and Plant.