Easy under bed bolt in installation. Fifth wheel ready uses outer four holes to mount a fifth wheel hitch. Pop In Ball. Lever inside ball head activates ball bearing locking system. Lift and turn lever to unlock and remove ball. Hole cover keeps Pop In Ball sleeve free of debris. Two safety chain holders attach directly to rail system. Rated for 25,000 lbs. gross weight capacity. Rail kit and storage bag included. Please press "Product Overview" for application guide.