Brand new, unopened. The Metra Radio Installation Dash Kit Single/Double Din GM 2005-Up #WM-GMK01 is a compatibility kit designed for various GM vehicles, including Chevrolet, Buick, and GMC models. This installation kit allows for easy installation of a single or double din radio system in your vehicle. With compatibility for a wide range of vehicle makes and models, this kit from Metra provides a seamless and professional-looking integration of your new radio system.