Interested in a floor jack? There are different types and prices. You have trolley jacks, long chassis service jacks, and low profile service jacks. That's just to name a few. Floor jacks also have varied weight capacities. Floor jacks can accommodate 2 ton, 3.5 ton and even 10 ton. The following site: http://www2.northerntool.com/jacks/floor-jacks.htm has a pretty good selection.
