The Craftsman CMHT50139 service jack helps you get back on the road in no time. This heavy-duty jack makes tough work look easy， even in the pouring rain. Not just limited to roadside emergencies， this jack is the perfect garage companion for fast oil changes， tire rotation and helping you get under that car for a clear look at your engine or suspension. Built tough with a stamped steel， flange reinforced frame， this spring loaded jack rolls fast and delivers a powerful lift up to 3 tons.