Hi there. I'm Michael with etrailer.com. Today, we're gonna take a quick look at this Shocker Gooseneck Surge Air Hitch Coupler. This is a shock absorbing gooseneck coupler that will replace your existing four inch square stem and coupler. This does feature this industrial strength airbag, that's going to dampen the jerks and road shocks. You're also gonna have these cushion bump stops up here… see more >