•Easy Under-Bed bolt-in installation •Rated for 25,000 lbs. gross weight capacity •Passes SAE J2638, the toughest industry standard •Pop-In Ball -Lever inside ball head activates ball bearing locking system -Lift and turn lever to unlock and remove ball •Two safety chain holders attach directly to rail system •Fifth wheel ready uses outer four holes to mount a fifth wheel hitch •Hole cover keeps Pop-In Ball sleeve free of debris •Storage bag included