The Parker 4M-V4LN-B Needle Valve is a high-quality brass valve designed for precise control of hydraulic or pneumatic systems. With a maximum pressure rating of 3000 psi, this manual valve is durable and reliable for a variety of industrial applications. Made in the United States by SCHRADER BELLOWS, this needle valve features a round handle for easy operation and is suitable for use with 1/4" pipes. Whether you are working with hydraulics, pneumatics, pumps, or plumbing systems, this Parker needle valve is a dependable choice for your needs.