Description: Quantity: 150Pcs Supplied in a box, easy to carry Made of top quality copper material, melting point up to 1083? Good electrical conductivity and thermal conductivity, great for sump plugs, water, fuel and hydraulic fittings A sump plug washer set to suit all types of engines be it Car, Marine, Generators, Machinery and Plant Specification: Quantity: 150Pcs Box size: Approx. 130x68x22mm/5.11x2.68x0.86inch Size types: 15 Size: (I/D x O/D x Depth) M5*9*1 X10pcs M6*10*1 X10pcs M6*12*1 X10pcs M8*12*1 X10pcs M10*14*1 X10pcs M10*16*1 X10pcs M10x18x1 X10pcs M12*16*1 X10pcs M12*18*1.5 X10pcs M14*18*1 X10pcs M14*20*1.5 X10pcs M16*22*1.5 X10pcs M18*24*1.5 X10pcs M20*26*1.5 X10pcs M22*28*1.5 X10pcs Package Includes: 150 Pieces Copper Washers 1 Piece Box Note: 1. Please check as much as possible to make sure the item is the one 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