A trustworthy trailer jack from Grainger can make your work easier and safer whether you work in an industrial, utility, construction, recreational or agricultural setting. Heavy-duty trailer jacks help prevent free-standing semi-trailers from up-ending during loading and unloading. Industrial jack stands can be used to level trailers parked on sloped ground and prevent landing gear from sinking into soft asphalt or gravel. Trailer stabilizing jacks help prevent dangerous trailer tip due to collapsed landing gear. And a universal trailer jack supports the tongue of your trailer when uncoupled from the towing vehicle. When you get a trailer jack from Grainger, you'll be all set for a wide variety of lifting, leveling and adjusting applications.