The steel carpenter’s square is durable and accurate. Its made of high-quality hardened steel for long life. With embossed graduations, reverse reading scale, and protective finish that protects against rusting, this tool allows for efficient measuring and marking. High-quality hardened steel for durability and long life. Embossed graduations for easy reading on face and back. Reverse reading scale allows for efficient measuring. Treated with a clear, protective finish that resists rust.