You pull the good tire up onto Trailer Aid Plus to raise the flat tire up 5. 5for changing. Trailer Aid Plus has an additional 1lift more than the original Trailer Aid and is perfect for RV trailers and horse trailers. It is great for horse trailers so you do not have to remove your horses in order to change a flat tire. The extra 1lift is handy when performing routine maintenance on the trailer. Lifetime .

Trailer Aid Plus Tandem Tire Changing Ramp The Fast and Easy Way to Change A Trailers Flat Tire
$49.26