Gives you more holding power - 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 - automatically raises the trailer to the proper height for changing tires, lubricating or replacing wheel bearings, etc. Two-ton capacity, high strength aluminum construction.

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov