Versatile: Can be used to connect thin-walled pipes in air conditioners and refrigerators, aluminium and stainless steel pipes, and is suitable for effective connection of a wide range of pipes (2 pieces each of 1/4'', 5/16'', 3/8'', 1/2'', 5/8'') Multiple Sizes: The following five sizes are available for common pipes: 1/4'', 5/16'', 3/8'', 1/2'', 5/8'' to meet a wide range of pipe installation and usage needs Ease of use: different pipe sizes, ensuring efficient and smooth functioning on all types of pipes Material: Made of steel, its properties ensure stability and resistance to wear and tear, making it flexible and sturdy for a wide range of applications High energy absorption: Bending springs absorb and cushion impact energy and are widely used in vibration damping systems, Manufacturer: LAXALO