...for a great deal of duties from winching, clamping, spreading, and jacking up to 5,000 pounds. The Off-Road Base is essential if you plan on adding a Hi-Lift to your vehicle. The various terrain challenges we often tackle usually don't leave us with a flat surface when it comes time for repairs. The security and peace of mind of having a wide base for your jack goes without saying. Don't be cheap and think you don't need one.