Main function Primarily used for quick jointing of air piping and pneumatic tools, with no need for additional tools Driving speed adjustment Adjust the air supply to change driving speed effortlessly, providing smooth and controllable tool operation Easy installation Quick connection design enables convenient and fast installation, reducing setup time Durable design Built to withstand pressure without tripping, ensuring long service life Key benefits Time saving: rapid jointing of air lines without extra tools minimizes downtime Precise control: adjustable speed via air supply allows task specific performance Easy setup: quick connections streamline installation in workshops or on site Reliable performance: pressure tolerance reduces risk of trips and extends tool life Applications Connecting and operating pneumatic tools such as impact wrenches, screwdrivers, and grinders in shops and on job sites Field or workshop air line installation and maintenance where fast, tool connections are advantageous Tasks requiring variable speed control to optimize fastening, drilling, or grinding with pneumatic equipment