The Ashcroft 0-160 Psi Stainless/brass 1/4 Npt. 63100802l 160# is a high-quality air pressure gauge designed for use in hydraulics, pneumatics, pumps, and plumbing systems. With a maximum pressure of 0-160 Psi and a connection diameter of 1/4 inch, this gauge is suitable for measuring air pressure in a variety of industrial applications. The stainless and brass construction ensures durability and reliability, while the side/bottom mount allows for easy installation. With a face diameter of 2.5 inches, this Ashcroft pressure gauge provides accurate readings for monitoring and controlling air pressure levels.