DescriptionMade of premium rubber material, perfect for sealing use, it's a nice helper for your car air conditioner repairing, with it, you will get more convenience in secure seals for oil, gas, air, and water, etc. Corrosion resistant, durable and high temperature resistant, different sizes for free choice.Features- Color: Green (270pcs) + black (225pcs).- Material: Rubber.- Size: 20.50X10.50X3.00cm;/8.06X4.13X1.18in;- Portable & easy carry: light in weight and compact in size, the storage case is easy to carry, convenient for daily car air conditioner repair.- Multipurpose design: widely applicable for providing secure seal for car air conditioner, electronic equipment, faucet, motorcycle, pump, ships, and more.- Premium rubber: made of flexible and durable rubber materials, with water and oil resistance, long service life for various needs.- Assortment case: the o rings are arranged in good order in the storage box according to different sizes, easy for you to take and use.- Perfect seal: high temperature resistant, can withstand -40 C (-40 F) to 120 C (248 F) environment, suit to seal water, oil, gas, and so on. Packing list: 495 x Rubber O Rings