This INVERTED FLARE FEM. CONN 3/8X1/4X5/8 is designed for use with flareable copper, brass, aluminum, and welded steel hydraulic tubing. Its all-brass construction and UL compliance for flammable liquid and gas make it a reliable and safe choice. The fittings meet SAE J246 requirements, ensuring high-quality performance. Sold individually, this versatile connector fits most makes and models, making it a practical and convenient option for various hydraulic tubing applications.