All RV Super 5th & RV SuperGlide hitches feature PullRites unique gear driven rotary latch, with automatic locking mechanism, for a safer, tighter connection between the truck and trailer.All RV Super 5th and RV SuperGlide hitches also have a full double pivot, fully articulating head. The rotary latch wraps 140° around the king pin, reducing wear, and minimizing bump, allowing only .030" tolerance between king pin and latch. The 16K and 20.5K RV Pull Rite Super 5th hitches have a plate height that is adjustable from 14-1/2" to 17-1/2". (16,000 lb. Model - 4,000 pin weight capacity. The 20,500 Model - 5,125 pin weight capacity). Choose Pull Rite Universal Mounting Kit - or new custom designed for specific vehicle. Pull Rites SuperBracket Mounting Kits for a stronger, more stable towing platform, and easier installation, or the SuperRail Mounting Kit with totally removable base rails and custom designed mounting brackets (each kit sold separately). See us for vehicle specific installation kit numbers and pricing.