Inline Oiler Oil Lubricator Air Tool Impact Wrench Gun. Inline oiler oil lubricator air tool impact wrench gun air tool accessories. Page for deal of the week. Your air tools will last longer with good constant lubrication. In-line oiler adds an oil msit to your air supply to allow air tools to run smoothly and more efficiently. Lubricates and and adds to tool life. Automatically lubricates air tool during use. Oil reservoir is fabricated of high impact plastic. Always visible oil supply and oiling action. Holds three to four days supply of oil. For all 3/8 and 1/2 air impact, body shop air tools, and pneumatic hammers. Recent feedback that we received on this product.