DEWALT DWE4557 Angle Grinder, 15 A, 8, 500 RPM Max. Speed, Trigger, 7 in Wheel Dia, 120V AC, Flathead, Fixed G6036051 Inlet Pressure 250 psi Maximum Inlet Pressure 250 psi Maximum Regulated Pressure 125 psi Minimum Regulated Pressure 2 psi Maximum Operating Pressure 125 psi Minimum Operating Pressure 18 psig Maximum Operating Temperature 175 °F Minimum Operating Temperature 32 °F Maximum Flow Rate 53 cfm Air Inlet Size 1 4 in NPT Air Inlet Gender Female Air Outlet Size 1 4 in Air Outlet Type NPT Air Outlet Gender Female Number of Air Inlets 1 Number of Air Outlets 1 Pressure Gauge Included Yes Pressure Gauge Port Size 1 4 in Pressure Gauge Port Type NPT Gauge Port 1 4 in NPT Includes (2) Gauge Plugs and Face Gauge The offset design allows for better access and precision 5 m s2 Hand Arm Vibration Sanding: greater than2 Complete a wide variety of grinding applications with the 7 in