Elite™ Series Under-Bed Gooseneck Accessories Kit, RAM OEM Kit Only. Includes: (1) 2-5/16" Pop-In™ Ball #19311, (1) Storage Bag, (2) Safety Chain Attachments & (1) Hole Cover 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 Hole cover keeps Pop-In Ball sleeve free of debris Storage bag included Ball rated for 30,000 lbs. capacity Fits RAM OEM Kits with factory installed OE rail system only Patents Pending