Ideal for creating precise cuts and sculpting smooth transitions, this Blackridge Air Die Grinder is the perfect tool for anyone creating detailed metal or wood work. This particular Air powered die grinder operates on a minimum air flow rate of 115 Litres/min, and has a free spinning speed of up to 20,000 RPM. This speed and power is ideal for creating precise clean cuts, as well as sculpting and shaping harder materials. As an air tool, this grinder is also significantly lighter than its electric counterparts, reducing strain over longer periods of use, helping the user to achieve the desired attention to detail. Overall, this tool is perfect for grinding back and neatening welds, as well as porting and polishing, and some woodworking applications.