Product Description:
Works on most 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.

Additional Info:
Manufacturer: Springfield
MPN: 180046
Product SKU: S-M-1840046
Weight:5.00 pounds