[Bulkhead Design]Pneumatic Fittings is mainly used for air piping, pneumatic tools, do not need joint tools can realize the pipeline connecting or disconnecting . Excellent choice for through wall application. [Durable]The body made of strong thermoplastic (PBT) housings and the ferrule adopts zinc alloy. Operating pressure 0~145 Psi, high pressure resistance, corrosion resistance and a long service life. [Push Lock]Quick connect fittings easy to install and remove. Just to connect the tube. The release ring adopts ellipse design, removed conveniently. [Convenience]360rotation. After installation, the tube direction can be changed . Help a lot with the alignment when piping the air line. [Application]Working temperature range: 32~140F. Most commonly used in for low-pressure hydraulic and pneumatic systems such as Shop Air, General Industrial, Maintenance and Automotive Assembly, Aircraft Controls, Printing, Packaging and Textile. As well as moving parts such as air , air horns and air suspension system. Size: 1/4 inch x 1/4 inch Color: Black Material: plastic+metal Package Contents: 10 x Pneumatic Quick Connect Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.