On the etrailer.com site, the two hitch shanks are listed. One is for the Fastway E2 hitch, the other is for the Equal-i-zer hitch. As far as I can tell, the parts are nearly identical except for the price and 200# difference in tongue weight rating. Fastway: https://www.etrailer.com/Accessories-and-Parts/Fastway/FA92-02-4214.html Equal-i-zer: https://www.etrailer.com/Accessorie...4300.html#exp-productdetails=.all-description Since both are rated for more than I need, is there any reason to pick the more expensive Equal-i-zer shank? Another question: Are Fastway and Equal-i-zer affiliated in some way? Their parts are so similar, even the part numbers are almost the same. When I first started researching, I thought the E2 hitch was a 2nd generation Equal-i-zer hitch, but I think now they are separate products.