Premium Materials: The hose connector kit is made of copper, offering excellent strength and durability, high thermal ductility, and low permeability. It provides a secure connection to your pipe system. Leakage Prevention: The yellow copper pipe fitting features a barb design for easy installation. The pipe connects with a retaining hook, ensuring a tight fit that resists leaks and disconnections, providing strong and reliable performance. Easy Installation: The 1/2 inch hose fitting is simple to install. Just insert the retaining hook into the pipe, minimizing installation steps without the need for cutting or drilling. Package Includes: 12-piece outer and inner threaded fittings. Compatible with pipe inner diameters of 8mm, 10mm, and 12mm. Offers versatility for various applications. Wide Application: The 1/2 inch pipe fitting is suitable for transporting and connecting air, water, oil, gas, liquid, or fuel. Ideal for use with washing machines, balcony drains, toilets, garden irrigation, fertilization, and more.