Fulton Fold-Away Weld-On Trailer Hinge Kits are ideal for boat trailers that can be just a little too long to fit inside smaller garages, shops, and other restrictive spaces. Designed to convert standard trailer tongues into fold-away configurations, the Fulton fold away hinge kit 3x3 delivers strength at the pivot point with precisely machined heavy-duty hinges made from die cast steel. A convenient option for custom trailers to utilize a pivot system, this boat trailer swing away tongue kit works with actuators and standard coupler applications. The easy to install bolt-on application comes with a complete instruction manual for hassle-free installation and includes all mounting hardware for the swing hitch. The Fulton Fold-Away Weld-On Trailer Hinge Kit fits trailer tongues with outside dimensions of 3 inches x 3 inches.