The 3in. cutting tool can be used for a wide range of cutting applications. The cutting guard can easily be rotated to a safe, convenient position without the use of tools. The compact design permits access in confined areas.Uses a 3in. dia. cutting wheels (not included)Adjustable cutting guardTwin-bearing spindle for spindle concentricity of less than .05 and less vibration3 CFM air consumption1/4in. inlet3/8in. minimum hose sizeVariable speed trigger 21,000 RPMAdjustable exhaust vent