Details: non-manual, automatic closing, convenient for your daily use time. Door closers can be used on all store front doors made of aluminum, wood or hollow metal for commercial applications. Ideal for: left hand and right hand doors, ideal for: home, office, hotel room door use Material: Hinges are made of high quality stainless steel. The material is strong and durable. Stainless steel hinges are moisture and water resistant. High precision, high strength, not easy to rust. Closing section: 0-180 degrees ,Installation hole distance: 90mm ,Maximum width of sprue: 1000mm ,Maximum weight of cabinet door: 40KG Package includes: 1 with supporting parts of the door closer, Manufacturer: Shun Yingtong