Made of solid steel for extra strength and support. Unibody vehicles cant be safely lifted with conventional floor jacks - says who? With this Floor Jack Pad Adapter you can safely lift Unibody vehicles with a regular floor jack, without damaging pinch welds, mis-aligning body panels, or damaging suspension components. Adapters U-channel lifts vehicles at the correct factory-designated lift points. Not Applicable for plastic parts. To use, simply remove the saddle insert from the floor jack and insert the pad adapter. Fits most conventional floor jacks.