This Channel Master Chimney Mount is used for mounting an antenna mast, up to 1-1/2 inches in diameter, to a chimney. It is made of galvanized steel, offering a performance that you can depend on. Standoff from the chimney is 3-8/10 inches. The TV antenna chimney mount kit includes everything needed for installation except tools, ensuring that you can put it up right away. The kit makes a helpful addition to your gear when it comes to installing your antenna. It offers a precision fit for your compatible antenna mast. The set has two metal straps included to ensure a secure hold. This kit makes it simple to get the service that you want in your home.