Thank you very much for viewing this product. We would appreciate it if you could read the following notes before ordering. ・We will only comment after payment and shipment. ・We do not offer discounts on single items. ・We support the bulk purchase function. ・There is no need to comment such as "Can I buy this?". ・Please refrain from specifying colors or types in the comment section. Made of high-quality nitrile rubber material. It has excellent oil resistance, abrasion resistance, and heat resistance, with an allowable temperature range of -30°C to 120°C. It uses an O-ring (round) ring nozzle, which has a simple structure and is easy to install. It also has excellent sealing properties and effectively prevents leaks in car air conditioning compressors. It can completely seal water, gas, and oil, and can also be used as a gasket for various equipment. It can be used in a wide range of applications, including automobiles, motorcycles, electrical appliances, machinery, pipelines, mixers, hydraulic presses, and bearings. *About Shipping* ・Shipping will be on Mondays, Wednesdays, and Fridays. For holidays, it will be the day before or the next day. ・Orders placed on Friday will be shipped on Monday. ・Shipping will be via regular mail or Click Post. ・It may take up to 4-7 days for delivery. ・You may receive a delivery notice. *About the Product* ・Brand new, unused product. Sizes: 3x1mm=20 4x1mm=20 4.5x2mm=20 5x2mm=20 6x2mm=20 6x2.5mm=20 6x3mm=20 7x2mm=20 8x2mm=20 9x2mm=5 10x2mm=5 12x3mm=5 13x3mm=5 14x2.5mm=5 17x2.5mm=5 18x4mm=5 20x2mm=5 22x2mm=5