The GODESON 1/4" NPT Tank Valve is designed for use with air compressor tanks. Made from 100% anti-corrosion solid brass, this valve prevents air from leaking out while allowing for air inflating in. It features a 1/4" male national pipe thread with a Schrader valve and has a maximum working pressure of 200 PSI. The package includes 4 pieces of tank valves and 4 caps, making it a reliable and durable accessory for pneumatic tools.