Features: *High-Quality Material: This product is made of high-quality material, which is wear-resistant and durable, not easy to break, and can be used for a long time. *Exquisite workmanship: This portable tool has exquisite workmanship and excellent material, which can bring you a good use experience. *Application: Used to connect pneumatic lines between tools and airs. *Multifunctional: With oil and water filtering function and automatic oil supply function; *Durable: Installed at the airs inlet of the pneumatic tool, it can automatically add oil from time to time, reducing the number of manual additions, lubricating the internal parts of the pneumatic tool, reducing wear and extending the use. Notice: *Actual color may be slightly different from the image due to different light effect *Please allow 1-3cm deviation due to manual measurement Material: Iron plated copper material Length: 55mm (2.24) Diameter: 30mm (1.18) Connector size: 1/4 internal thread + 1 /4 external thread Package List: 1 x In-Line Oiler Lubricator