Heavy-Duty Die GrinderMotor provides high power and speed for all 2-1/2" grinding applications. AC/DC capacity works off welding machines and generators for increased productivity and versatility. Rotating adjustable guard for greater visibility. External brush caps for easy servicing. Amps: 5.00A AC/DC; Includes: (2) Wrenches, Arbor Nuts, Flanges; Length: 18 1/2 in; Speed: 19000 rpm [Max]; Spindle Thread: 3/8 in - 24; Watts: 485.00 W [Max]; Wheel Diam: 2 1/2 in; Weight: 6.80 lb.