A. [Materials]: The snap rings are made of stainless steel, which is strong and durable. They have good corrosion resistance, heat resistance, low-temperature strength, and mechanical properties. B. [360-degree sealing protection]: These snap rings can connect all pipe fittings. The ear clips contract and evenly surround the hose, forming an air-tight and liquid-tight connection to achieve a 360-degree waterproof seal. They are suitable for use in pipeline systems. C. [Wide application]: The snap rings are used for crimping pipe fittings or pipes of various brands. They are applied in pipeline systems, such as water heaters, air conditioning systems, plumbing systems, circulating heating systems, electrical conduits, etc. D. [Easy to install]: For fixtures of all sizes, only one installation tool is needed for the crimp rings. You can slide the crimp ring onto the pipe, then slide the pipe onto the fitting, and then squeeze it with a clamping tool to achieve a secure connection. E. [Package contents]: The package contains 100 tightening snap rings. These stepless ear clips are used to fix the ferrules to the push-in fittings. F. Color: Silver G. Material: Stainless steel H. Size: 20.3 - 23.5 mm I. Package contents: The package includes 100 tightening snap rings. Only the above package contents are included, and no other products are included. J. Precautions: Light reflection and different displays may cause the color of the item to vary slightly from the actual product. A measurement error of +/- 1 - 3 cm is allowed.