Heavy-duty dolly with integrated drive takes the hassle out of moving your trailer. Simply connect your trailer, turn the crank, and guide the trailer with the steering handle. The drill attachment lets you use your power drill instead of cranking. included Specs: Hitch ball diameter: 2" Includes 2-5/16" ball converter Adjustable hitch ball height: 19-1/4" - 20-1/4" Steering handle: 11" long Tongue weight: 1,200 lbs Gross