The product is a finned aluminum inspection block off plate designed for the Ford Model T transmission hogsheads. It is a genuine Ford part specifically made for the years 1909 to 1921. This block off plate serves as a functional and decorative piece for the Ford Model T engine gasket set, ensuring a secure and reliable connection for the transmission hogsheads. Made from high-quality aluminum with a finned design, this inspection block off plate is a durable and authentic addition to any vintage Ford vehicle.