Heavy-duty dolly with integrated drive chain Use hand crank or included drill bit to power gears with your drill (not included) Dual positraction wheels for easy maneuvering - 1 tire freewheels while you're turning 10,000 lb capacity
Trailer jack with integrated drive function to easily raise, lower, and move your trailer 5000 lb capacity Chain drive system powered by easy-to-use hand crank Add-on attachment for drill-powered movement
Self-motorized dolly can be controlled remotely from up to 40 feet away Independently operated high-torque motors provide 360-degree rotation Powered by rechargable lithium-ion battery Up to 12,000 lb capacity