The Cobra Tork is a robust, heavy-duty concrete anchor designed for concrete, brick, and masonry applications. The easy-to-install anchor has been tested to ensure optimal performance under heavy loading conditions. It features a raised head for better grip, a notched thread making it easier to cut through concrete, and cavities designed to collect debris. The anchor can be smoothly installed and easily removed as required. All you need is to drill and drive. Who we are: Established in 1973, COBRA is one of the industry's major and most valued leaders in anchor product innovation. Over the past 50 years, we have proudly introduced more patented and value-added products than any other anchor manufacturer, that's over 22 worldwide owned patented products.