The IRONFIX 1/2-Set Metric Pneumatic Line Fittings are designed for reliable and efficient air hose connections in various environments, including trucks, RVs, industrial workshops, and lawn equipment. Each set contains 8 stainless steel fittings, available in sizes ranging from 4mm to 16mm, to meet a wide range of repair and maintenance needs. Crafted from high-quality stainless steel, these fittings are rust-proof and corrosion-resistant, ensuring durability over time. Their push-in design allows for quick and straightforward installation and removal, saving time and effort during setup or repairs. Operating within a pressure range up to 300 PSI and temperatures from -60°F to +200°F, they are suitable for high-temperature and high-pressure applications, maintaining a consistent airflow and preventing airline leaks. Whether you are performing truck repairs, RV maintenance, or industrial hose connections, these fittings provide a dependable solution for maintaining optimal air tool performance.