High-Quality Material: This control valve is made of high-quality copper, ensuring durability, high performance, corrosion and rust resistance, and pressure resistance. Circular Release Ring Design: The pneumatic sealing release ring features a circular design for easier disassembly and assembly. Provides a better seal. Safety: This pneumatic quick connector boasts high pressure resistance, withstanding strong pressure without malfunctioning and ensuring long-term reliable operation. Easy to Use: Pneumatic quick connectors are simple to install. Just push in the compressed air connection tube to ensure a secure connection without additional sealing. Primarily Used For: This pneumatic quick connector is mainly used for quickly connecting air hoses and pneumatic tools, adjusting air supply to change the operating speed of pneumatic cylinders or other actuators.