Originally Posted by Sabrinascamper
I've often been suspicious of these and seeing the photo makes me even more so.
The photo shows the jack on the axle directly under the spring, but most of our trailers do not have the axle under the spring. Its usually over the spring. The photo shows a trailer with a drop axle which would lower the trailer 4 inches, so why lower the trailer this way, then raise it by mounting the axle below the spring. Other then making the jack "look good" in the advertisement, this set up is not making sense.
For the same money you can get a hydraulic jack which will be much more versatile.