Quick Change Jack
Automatically raises the trailer to the proper height for changing tires, lubricating or replacing wheel bearings, etc.
Two-ton capacity, high strength aluminum construction.
Works on most surfaces and most trailer axles (round or square) from 10" - 15" wheels
Dimensions from ground to top of flat side: 13.25"
To use: just place the jack under the axle and drive forward or reverse a few inches.
Don't get caught without it!