I purchased the universal Mighty Mount package thinking that it might be an affordable way to use my old Yakima racks.(1994) The tool provided did not fit the nuts that are required for installation. The directions are a little vague on how to mount the ski racks once the mounts are attached to the vehicle. (It doesn't state any instructions) I went to the website for help, but no luck. I had to use my own parts to attach the ski rack to the mounts because my rack has these large wing-type nuts that aren't compatible with the Mighty Mounts (no clearance)
I haven't test drove the rack yet, but it seems secure.