1/4inch Pneumatic Die Grinder Right Angle Air Powered Grinding Machine Zinc Alloy Polisher Tool Set

How to Use: Every day you need to inject 3?5cc of pneumatic oil from the inlet connector, press the switch and idle for a few seconds Specification: Item Type: Pneumatic Die Grinder Material: Zinc Alloy No Load Speed: 13000rpm  Inlet Size: 1/4inch Package List: 1 x Pneumatic Die Grinder 3 x Sanding Pad 1 x Air Inlet Port 1 x Wrench Note: Regularly (about once a week) check and maintain the tools, add grease to the bearings and other rotating parts, add pneumatic tool oil to the air inlet and test run for half a minute.