I recently had a complete panic moment when I drove 2 hours from home to borrow a friends enclosed trailer for a few weeks to go to an Antique Show ( Maddison- Bouckville June 5th,6th,7th). He advised me to just use his hitch ball/ receiver as it was ready to go and so I left my bucket full of all different sizes I own at home against my better judgement. Upon arrival, his was a Class 5 and it did not fit into my trucks Class 4 receiver housing! Oh crap! Its 6 at night, 2 hours from home, going to get dark, I am in Tafton, PA on the Lake- nothing is open! So I haul butt to Honesdale and go to Advance Auto Parts at 1194 Texas Palmyra Hwy, and run into employees Cerena Martin, Jason Litzenbauer, and Dan Gage- these 3 went ABOVE & BEYOND to help me get a super heavy duty receiver, weighted for far more weight than I will ever haul, and marry it to a tow ball rated for 10,000 pounds- a bit over overkill maybe, but far better than not enough when it comes to towing- and this was NOT due to them overselling, this was my own preference and request. They safely torqued that tow ball onto that receiver, were so pleasant and enjoyable as was as knowledgable, and sent me off as a happy less panicked girl at now 7:45 at night to go hitch up that trailer and haul it home confidently and flawlessly in the dark! Thanks guys! You Rock!!!!!!!