Effectively prevent oil leaking, water leaking, and air leaking. Solve problems with minimal cost. FEATURES * Complete Sizes: 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 27mm, 30mm * Good Sealing: With good toughness and sealing, fit closely, solving oil leakage, water leakage, air leakage, and other problems. * Advantages: The rubber washers have high and low-temperature resistance, the advantages of ozone resistance and weather resistance, and are waterproof, flame retardant, wear-resistant, oil-resistant, and many other properties. * Wide Application: Widely used in automobiles, boats, engines, oil plumbing, gas control, faucets, hoses, nozzles, kitchens, bathrooms, etc. SPECIFICATION Material: Rubber Size: M6 - M30 Amount: 100pcs, 245pcs Weight: 145g, 663g NOTE Please allow slight measurement deviation due to manual measurement. Due to the different monitor and light effects, the actual color of the item might be slightly different from the color shown in the pictures.