[Bulkhead Design]Pneumatic Fittings is mainly used for air piping, pneumatic tools, do not need joint tools can realize the pipeline connecting or disconnecting the link. 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 one touch to connect the tube. The release ring adopts ellipse design, removed conveniently. [Convenience]360°rotation. After installation, the tube direction can be changed easily. Help a lot with the alignment when piping the air line. [Application]Working temperature range: 32~140°F. Most commonly used in the field 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 ride, 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.