ROOF RACK CARGO CARRIERROOF RACK CARGO CARRIER EXTENSION 21" X 37" CURT Expands the storage area of the CURT roof mounted cargo basket #18115 Frees up space inside the vehicle for passengers and cargo Adds almost six sq. ft. of storage area Mounts to most roof rack base rails Lightweight and easy to install Protected by a highly durable carbide powder coat finish Limited lifetime warranty (one year finish, one year parts)