Fulton Bolt-On Hinge Kit 3" x 3" Trailer Beam Rating 5000 lbs. 48" Pivot Z-Max 600 Zinc Finish Fold-Away. Easy to install bolt-on application with complete instruction manual. Trailer tongues to be 3" x 3" outside dimensions with a material thickness between 0.188" and 0.120". Includes all mounting hardware. Features/Specifications: 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 Trailer tongues to be 3" x 3" outside dimensions with a material thickness between 0.188" and 0.120" Includes all mounting hardware Specifications for Fulton Fold-Away Bolt-On Hinge Kit 3" x 3" Trailer Beam Rating 5000 lbs. 48" Pivot Z-Max 600 Zinc Finish: Manufacturer: Fulton Color: Black Features of Fulton Fold-Away Bolt-On Hinge Kit 3" x 3" Trailer Beam Rating 5000 lbs. 48" Pivot Z-Max 600 Zinc Finish Hinge Kit 3" x 3" Trailer Beam Z-Max 600 Zinc Finish Rating 5000 lbs. 48" Pivot Limited 5-Year Warranty Package Contents: Fulton Fold-Away Bolt-On Hinge Kit 3" x 3" Trailer Beam Rating 5000 lbs. 48" Pivot Z-Max 600 Zinc Finish Fulton HDPB330101: Bolt-On Hinge Kit 3" x 3" Trailer Beam Rating 5000 lbs. 48" Pivot Z-Max 600 Zinc Finish Fold-Away