This Dormakaba 7300 door closer in Dark Duranodic Bronze is a high-quality self-closing hardware suitable for both commercial and residential purposes. It comes with adjustable closing speed and is heavy-duty, making it perfect for commercial use. The package includes hardware and instructions, and it is designed to meet the needs of customers who want a reliable and durable door closer. The Dormakaba 7300 model is popular among commercial door hardware users because of its excellent features and functionality. It is a great choice for those looking for a door closer that can withstand heavy use. This door closer is perfect for any commercial or residential property that requires a self-closing mechanism. With its sleek Dark Duranodic Bronze finish, it adds a touch of elegance to any door it is installed on.