The MILTON 509 air hose fitting is engineered for reliable connections in pneumatic systems. This fitting features a 1/4" NPT thread size, ensuring compatibility with a wide range of air hoses and tools. Constructed from high-quality materials, it offers excellent durability and resistance to wear, making it suitable for both commercial and residential use. The MILTON 509 meets industry standards for performance and safety, ensuring optimal operation in various applications. Ideal for workshops and automotive tasks, this fitting is essential for anyone looking to enhance their air tool efficiency.