Everyone can enjoy the benefits of PullRite designs now available on industry standard base rails. PullRite's automatically locking gear driven rotary latch is the best latch design for quieter, safer towing. Avoid the noise, bumping and chucking, and hassles and problems of straight slide bars and other lesser latch designs. The features of the PullRite 20K Super 5th Hitch is as follows:Mounts on industry standard base rails - PullRite's or other ordinary brands-latch designs that RV'ers want - safer, more secure, more comfortable towing-dual articulating head, gear driven rotary latch-fewer hassles, improved safety, fewer accidents-American made - quality materials and workmanship.