The Up: Place this aluminum jack under square or round axles and then pull forward to lift up to a 4,000-pound trailer off the ground. It’s also conveniently portable, so you can use it on more than one trailer. It fits wheel sizes from 10 to 15 inches, so it’s also versatile.
The Down: If you need to change a flat on a soft shoulder, gravel or a dirt road, it may skid and take a few attempts to work as advertised. $42; basspro.com