Features： 1、Sealing Rings: Soft and flexible, the O shaped gasket can be easily installation by snapping, ensuring better sealing. 2、Broad Utility: Used for power supply, control box, common power cord socket protection, electrical appliance and so on. 3、222Pcs in All: Comes with 222pcs sealing ring in different sizes, satisfying all your working needs in various places. 4、Good Material: Adopting good rubber material, anti static, very durable with oil, UV, heat, wearing and long term use. 5、Smart Storage: All the washers are neatly stored in the box with labels, which largely simplifies the daily carrying. Specification： Item Type: O Ring Material: Rubber Function: Rubber O Ring Colour: Black Quantity: 222Pcs Application: Mainly used for power supply, control box, common power cord socket protection, electrical appliances, tools, cars, trucks, trailers, electronic equipment, toys, bicycles, recreational vehicles, boats, pumps, furniture, etc. Package List： 222 x O Ring