Description:Total of 200Supplied in a box, easy to carryMade of top quality copper material, melting to 1083Good electrical conductivity and thermal conductivityA sump plug washer set to suit all types of engines be , Marine, Generators, Machinery and PlantSpecification:Size: (I/D /D x Depth)M5*9*1 30pcsM6*10*1 30pcsM6*12*1 20pcsM8*12*1 20pcsM8*14*1 20pcsM10*14*1 20pcsM12*16*1 20pcsM12*18*1.5 20pcsM14*18*1 20pcsPackage Includes:200 Pieces Copper Washers1 Piece BoxNote:1. Please check as much as possible to make sure the item is the that you need.2. Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm)3. Due to the light and screen difference, the item s color may be slightly different from the pictures. Please kindly understand. Make sure you don t mind before you order.