Suitable dimension: the size of the washer seals measures . 3.8 cm/ 1.5 inch in outer diameter and 3 cm/ 1.18 inch in inner diameter, please confirm the measurement before your buying Long service time: the rubber ring can gaskets are made of tensile rubber material, and sturdy, not wear or tear, rust and , flexible and not easy to break or split, supporting a long time service period Good compatibility: the spout gasket sealing rings are compatible with most gas can spouts, you do not need to change the type of gasket sealing rings when using different gas can spouts, providing convenience when applying them Adequate amount: you receive several pieces of gas can spout gaskets in the package, which are sufficient to satisfy your daily application and replacement, you can also send them to your farther, boyfriend and neighbors who need them Easy to carry and store: the replacement gas gaskets are convenient to store or carry in a plastic storage box, toolbox, backpack, pocket and so on, and they not occupy too much space in your cabinet when they are not in use, Weight: 0.05070632026 pounds, Manufacturer: Aisuoka