I didn't have a jack that would work on a trailer axle, my bottle jack is too tall and I don't want to drag a floor jack along and thought maybe a scissor jack might work. Went to the local U-pick-it and hunted around and found this import scissor jack with a 2300 lb rating which should be more than enough. Had to hunt around for one that takes a 22mm(13/16) socket, most had a hook to use a winding rod. It was designed to fit the pinch weld but some 1/8" x 2" steel and some shaping and welding fixed that. The curve fits over the axle U bolts. Tried it today and my little 18V DeWalt impact will lift a tire off the ground or I can use a ratchet. I should have gone to the domestic truck/suv section of the yard to look for something bigger but it was hot that day and I didn't know if domestics ever came with a scissor jack. Hope I never use it.