Key features

• •Made of high quality Nitrile-Butadiene Rubber. The operating temperature ranges from -40℉ to 248℉. The O Ring kits has many advantages, such as good sealing, good heat resistance, deformation resistance, good wear resistance, good water resistance, especially good resistance to gasoline and fatty hydrocarbon oil performance.
• •Maybe you don't know what size you need. Fortunately, this kit has a variety of size for options, covering the most commonly used sizes and can meet almost all your needs. You will get what you paid and what you see.
• •This o ring Assortment kit includes 770 pieces in 18 specifications. It can be used for months or even years rather than buying them at a hardware store.
• •OD from 3mm to 27mm，CS from 1mm to 3mm, it is good choice in repairing of water faucet, hose nozzles and other common household accessories or auto parts, pneumatic parts, automatic parts, etc.
• •Packed in a sturdy plastic case with a clear label for convenient use. Rings are stored in order of size left to right on rows for easy retrieval.