The Glynn-Johnson 104S-BLK Black Concealed Overhead Door Stop is a heavy-duty, high-quality commercial door hardware product made in the United States. This door stop features a concealed design, making it both functional and aesthetically pleasing for commercial buildings. With the trusted Glynn-Johnson brand name and durable construction, this product is sure to provide reliable performance for any business or industrial setting requiring a heavy-duty door stop solution.