Springfield Quick Change Trailer Jack For Wheel Size 10" to 15"

More holding power and works easier than ever! Works on all surfaces and most trailer axles (round or square) from 10" - 15" wheels. To use, just place the jack under the axle and drive forward or reverse a few inches - Quick Change automatically raises the trailer to the proper height for changing tires, lubricating or replacing wheel bearings etc. Two-ton capacity, high strength aluminum construction.