The gasket set is a versatile tool for both professional and DIY enthusiasts. From automotive repairs to plumbing installations, these gaskets come in various sizes to fit different needs. To use, select the appropriate gasket size, place it between the mating surfaces, and tighten the connection. This will create a secure seal, preventing any fluid or gas leaks. Features -Color:Black -Material:Rubber -Size:2.80X2.80X0.10cm/1.10X1.10X0.04in - rubber construction: made from rubber, ensuring durability and reliability in various applications -Comprehensive compatibility: suitable for various models of extinguishers, offering a wide range of repair and replacement parts -High sealing efficiency: includes sealing gaskets, head gaskets, and valve to ensure high sealing efficiency and enhance operational effectiveness -Simple installation: designed for easy and quick installation and removal, making it convenient for users to perform maintenance and replacements -Convenient choice: offers a budgetfriendly solution, making it an nice option to extend the life of your Package list: 100pcs x seals