FOLD-AWAY CONVENIENCE: The Fulton Bolt On Folding Trailer Tongue Swing Away Hinge Kit converts standard trailer tongues into fold-away configurations while preserving the existing coupler to fit in garages, shops, and other restrictive spaces. HEAVY-DUTY STRENGTH: With 9,000 lbs. capacity, the folding trailer tongue kit delivers strength at the pivot point with precisely machined heavy-duty hinges made from die cast steel. DURABLE ZINC COATING: Attractive yet durable zinc coating prevents rust and corrosion, making it your ideal boat trailer swing away tongue kit. EASY TO INSTALL: Easy to install bolt-on application with complete instruction manual for hassle-free installation. Includes all mounting hardware. TRAILER COMPATIBILITY: Fits trailer tongues with outside dimensions of 2 inches x 3 inches with a material thickness between .188 inches and .120 inches. For use with steel tongues only.