Mini Lubricator, 2 Pcs Pneumatic Lubricator 1/4NPT Mini Inline Lubricator Pneumatic Mini Mist Lubricator for Pneumatic Tools Air Compressor Accessories Automatic Oiler Pneumatic Oiler, Threaded Fitting 1 /4, male and female connecting thread. This lubricator is used for the connection between the air tool and the air compressor. It is automatically lubricated and has the functions of filtering and automatic water supply to prevent the air tool from not refueling. /p> Features Pneumatic oiler provides automatic lubrication of air tools to prevent rust and corrosion. Make tools run smoother and more efficient. SpecificationPneumatic lubrication connector size: 1/4 inner thread + 1/4 outer thread; pressure: 150 MPa. High quality material The pneumatic lubricator is made of aluminum alloy, sturdy metal structure, high impact body. Application The pneumatic lubricator is very suitable for lubricating air tools for small jobs, which can extend the life of air tools and improve their performance. Material: Aluminum Alloy < /p> 1. This lubricator is used for the connection between pneumatic tools and air compressors. It is automatically lubricated and has the functions of filtering and automatic water supply to prevent pneumatic tools from not refueling. 2. 1/4 thread connection for pneumatic automatic lubricator, male and female thread. 3. Provide automatic lubrication of compressed air pneumatic tools to prevent rust and corrosion. 4. Operate the tool more efficiently and smoothly, increase the life of the air tool and improve its performance.