The Simpson Strong-Tie ABU66Z ZMaX Galvanized Adjustable Post Base is designed for 6x6 posts and is made of durable galvanized steel. This flat head post base is manufactured in the United States and offers a sturdy connection for various building projects. The adjustable feature allows for flexibility in installation, and the galvanized finish provides corrosion resistance for long-lasting use. Perfect for securing posts in construction and carpentry applications, this Simpson Strong-Tie post base ensures stability and reliability in your projects.