Milwaukee 3670 22 Angle Grinder, 6 in_4 1 2 in Wheel Dia, Brushless Motor, (2) 8.0 Ah, 18V DC, Std Head, M18 FUEL™ AC4DWA 12 Country of Origin Taiwan 12 Country of Origin Taiwan 7 scfh Preheat Flame Type Medium Preheat Gas Service Acetylene Oxygen Pressure 35 psi Fuel Pressure 10 psi Oxygen Flow 46 cfh Type 1 Piece Acetylene Flow 6 cfh Acetylene Pressure 10 psi Cuts To (In Lock Off Switch Guard Adjustment Toolless Adjustable Head Type Standard Head Battery Series M18(TM) REDLITHIUM(TM) Number of Batteries Included 2 Anti Restart Technology Yes Charger Included Yes Brake Type Electronic Tether Style Tether Ready Series M18 FUEL(TM) Lock Off Switch Yes Grip Style Barrel Grip Spindle Lock Yes Housing Material Glass Filled Nylon • Overload Protection to Maximize Motor Life • Anti Vibration Side Handle for Reduced User Fatigue • Streamlined Handle Grip Size for Increased Control and Ease Of Comfort • Paddle Switch Design for Increased Comfort and Ease Of Use when Operating in Various Positions