Designed to mount on lightweight, straight-tongue trailers Patented RigidCore foam-filled lid to maximize strength and prevent binding 0.058" extra-thick, one-piece aluminum tub holds heavy tools and cargo Stainless steel lock handle for security and corrosion-resistant operation MicroSeal gasket helps seal out moisture, dust and dirt Lid self-opens to 90 degrees for convenient operation and loading Made in USA Limited lifetime warranty (one-year finish, one-year parts) Includes box only (mounting hardware not included)