The Norton UNI7500 Door Closer is a high-quality, heavy-duty product designed for commercial use. With its ANSI A156 Grade 1 rating, you can trust that it will withstand frequent use and provide reliable functionality. The black color and sleek design add a stylish touch to any commercial door, while the Unitrol Arm ensures smooth and controlled operation. Perfect for businesses looking for durable and efficient door hardware, the Norton UNI7500 Door Closer is a top choice for those in need of a dependable commercial solution.