Lockable tailgate is made of glass-filled composite materials, so its rustproof, lightweight and easy to handle with convenient one-hand release. Key locks gate onto your truck to prevent theft. Steel subframe. Includes rotary latches and cables. Includes pivot tube spacers/inserts. Any factory gate pivot tube spacers/inserts should be removed prior to installation. | Stromberg Carlson Louvered Tailgate, GM & Chevy 4000 Series