DEWALT® Angle Die GrinderDEWALT pneumatic angle die grinder. 20000 RPM for heavy duty applications with free speed at 900 PSI. Rear air exhaust helps blow exhaust away from work surface. Touch control trigger allows user to apply needed amount of power. 20000 RPM (Free speed at 90PSI) for heavy duty applicationsRear air exhaust helps blow exhaust away from work surfaceTouch control trigger allows user to apply needed amount of powerManufactured by DEWALT