I got one of these as a gift. Never used it yet. 1 more thing to store (2 things, really).
In the time it would take to get the things out, set them up, plus the time to put them away...you could just have ball & coupler aligned the old-fashioned way, including getting out of the truck 2-3 times.
thebrakeman ('70), DW ('71), DD ('99), DD ('01), DD ('05)
2004 Surveyor SV261T (UltraLite Bunkhouse Hybrid)
2006 Mercury Mountaineer V8 AWD Premier
Equal-i-zer WDH (10k), Prodigy Brake Controller