Cut-Off Tool, Wheel Diameter 3 in, Max. Speed 20,000 RPM, Switch Type Trigger, Battery Capacity 4.0 Ah, Brushless Motor Yes, Cordless Tool Kit Contents 1 Bare Tool, Arbor Hole Size 3/8 in, Maximum Wheel Thickness 1/8 in, Accessory Free Tool Change Yes, Lock-On Switch Yes, Lock-Off Switch No, Cut-Off Wheel Orientation Right Angle, Handle Type Barrel Grip, Power Source Cordless, Voltage 12V DC, Number of Batteries Included 0, Charger Included No, Tool Weight 1.5 lb, Overall Length 7 in