• Compressed air pressure regulator made of high-quality metal material, providing strength, durability, and good sealing. • Allows you to adjust the shut-off and start-up of the air compressor using the value indicated on the pressure gauge. • Suitable for most air compressors with EU standard. • The pressure gauge features a precise scale that makes it easy to read and adjust pressure values. • Easy installation: the 1/4" pressure reducer can be screwed directly onto the compressor's threaded interface and other machines, making both installation and removal easy. • Package contents: 1 compressed air pressure reducer, 1/4 inch (4 holes), pressure regulator with gauge, 1 plug, and 1 adhesive tape.