Features: The double nipple for copper pipes features a seamless and smooth，a stable and firm connection without the need for welding tool. Make from brass, designed to resist and bursting, providing a robust and long terms solution that withstands wear and tear over time. Suitable for a wide range of settings including residential, industrial, and commercial use, this double nipple is suitable for various refrigeration and air conditioning systems. With excellent sealing capabilities, it effectively prevents air leaks, optimal performances of air conditioning units. The thickened construction of the connector adds to its strength, reducing the risk of deformation under pressure and a dependable connection for your air conditioning needs. Specifications: Component: Brass Size: As Shown in the Picture Package Includes: 1pc 3/8Inch Pipe Butt Joint 1pc 1/4inch Pipe Butt Joint note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.