Product Description MINI INLINE AIR TOOL LUBRICATOR Made by M7, these trade quality air tool lubricators are a must have for any professional using air tools Featuring an all Brass internal construction and an easy view clear polycarbonate outer body these mini oilers are built to stand up to heavy duty workshop use. Small enough to put at the end of your air hose or connect directly to your air tool these units ensure that your tool is oiled and lubricated without putting air tool oil right through your air hose Features & Specs All brass internal construction outer polycarbonate clear body Overall length: 50mm Diameter 30mm 1/4″ BSP female internal thread 1/4″ BSP male external thread Use for: I deal for use with any air tool that needs oiling including Air nailers Air staplers Impact wrenches Air ratchets Air chisels and more