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

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 boat trailer 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 and more 2-ton capacity, high-strength aluminum construction