Ronix 3110 Portable Power Tools 18V 20V Brushless Cordless Angle Grinder Electric Cut off Machine Total Angle Grinder Heavy Duty Workbench Easy Installation: Specially designed for Easy Installation: Specially designed for hassle free setup on 3 inch round steel posts 42 Housing Material Composite Hose Included No Compressor Air Tool Features No Additional Features Impacts Per Minute 900 Returnable 180 Day Recommended operating pressure (psi) 90 Air Tool Type Impact Wrench Tools Product Type Air Tool Project Type Bolting Maximum Torque (ft The Ronix 3110 Cordless Angle Grinder is more than a tool—it's a revelation for renovation aficionados the Ronix 3110 includes a protective guard to minimize user exposure to debris and sparks during operation