Converts standard trailer tongues into fold-away configurations while preserving the existing coupler Delivers strength at the pivot point with precisely machined heavy-duty hinges made from die cast steel Easy to install bolt-on application with complete instruction manual Includes all mounting hardware 7,500 lbs. (TW/GTW) Fulton HDPB340101 Fold-Away Bolt-On Hinge Kit - 3' x 4', 7500 lbs. SKU: 3004.5591 UPC: 783192015730