High-quality material: Made of PPS resin and with a high-quality H58 brass copper stem with nickel plating, this fitting is hard, corrosion-resistant, and does not oxidize easily. Powerful function: The pneumatic fitting's thickened shell ensures precise dimensions, reliable installation, and a good seal, preventing the hose from falling out and eliminating air leakage. Various models: Two 6mm x 1/4\" pneumatic fittings and two 6mm x 1/8\" pneumatic fittings are available to meet your different needs. Excellent design: The quick connector adopts a new nickel-plated copper body structure design, which is oil-resistant and leak-proof, ensuring more reliable quality. Wide range of applications: The angled gas fitting is quick and easy to install. It is specially designed for connecting polyethylene, nylon, and PU hoses and can meet the needs of all types of hose connections.