Usage Tips:280/200/120/100Pcs Copper Sealing Solid Gasket Washer Sump Plug Oil For Boat Crush Flat Seal Ring Tool Hardware Accessories10/20/50PCS Solid Copper Washer Flat Ring Gasket Sump Plug Oil Seal Fittings 10x14x1MM Washers Fastener Hardware Accessories USD 0.54-6.19 /piece 100pcs/Set M2 M2.5 M3 M4 M5 M6 M8 Black Plastic Nylon Washer Flat Spacer Washer Insulation Seals Spacer Gasket Ring USD 1.14-2.07 /piece 100pcs M2 M2.5 M3 M4 M5 M6 M8 M10 M12 Black White Plastic Nylon Flat Washer Plane Spacer Insulation Gasket Ring For Screw Bolt USD 0.61-2.96 /piece Features: Top quality copper material, melting point up to 1083 Celsius. Good electrical conductivity and thermal conductivity. 280pcs solid copper sump plug washer set. All contained in a compact and see through compartmented plastic case. 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. Description: Material: Copper Color: as picture shows Size types: 12 280PCS M5*9*1 30pcs M6*10*1 30pcs M6*12*1 20pcs M8*12*1 30pcs M10*14*1 30pcs M8*14*1 20pcs M12*16*1 25pcs M14*18*1 25pcs M12*18*1.5 20pcs M16*20*1.5 20pcs M16*22*1.5 15pcs M20*26*1.5 15pcs 200PCS Size: (I/D x O/D x Depth) M5*9*1 30pcs M6*10*1 30pcs 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 20pcs 100pcs 4*8*1 20pcs 5*9*1 20pcs 6*10*1 20pcs 8*12*1 10pcs 10*14*1 10pcs 12*16*1 10pcs 14*18*1 10pcs 120Pcs Style1 Material: Copper Quantity: 120PCs Box size: approx. 280x100x23mm Size: (I/D x O/D x Depth) 6x12x1mm, 20pcs 8x14x1mm, 20pcs 10x16x1mm, 15pcs 12x18x1.5mm, 15pcs 14x20x1.5mm, 15pcs 16x22x1.5mm, 15pcs 18x24x1.5mm, 10pcs 20x26x1.5mm, 10pcs Style2 M10*14*1 30pcs M8*13*1 20pcs M8*12*1 20pcs M5*9*1 20pcs M12*16*1 20pcs M6*10*1 10pcs 180pcs M4-M14 20 pcs M5 * 9 * 1 20 pcs M6 * 10 * 1 20 pcs M6 * 12 * 1 20 pcs M8 * 12 * 1 20 pcs M8 * 14 * 1 20 pcs M10 * 14 * 1 20 pcs M12 * 16 * 1 20 pcs M12 * 18 * 1.5 20 pcs M14 * 18 * 1 220pcs M4-M14 25 pcs of M4*8*1 25 pcs of M5 * 9 * 1 25 pcs of M6 * 10 * 1 20 pcs of M6 * 12 * 1 25 pcs of M8 * 12 * 1 20 pcs of M8 * 14 * 1 20 pcs of M10 * 14 * 1 20 pcs of M12 * 16 * 1 20 pcs of M12 * 18 * 1.5 20 pcs of M14 * 18 * 1 Note: -Please allow 1-5mm 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. Due to differences in shooting equipment, displays, and production batches, the product may have slight color differences. This is normal, please refer to the actual product. We have tried our best to restore the true color through professional equipment, but we still recommend that you watch it under natural light for the most accurate visual effect.