This Chrome Plastic Base is designed for the Surface Mount 12 Inch Dual Function LED Light Bar. It is made of durable chrome plastic and measures 12 inches long by 1 - 1/4 inches wide by 13/16 inches. Sold individually, it fits most 12 Inch Dual Function LED Light Bars. This product is practical and easy to install, making it a great addition to any vehicle. Its sleek design adds a touch of style while providing a secure and stable base for your LED light bar.