High-quality Material：The door closer for interior door is made of cold rolled steel and zinc alloy. The use of one-piece molding process and electroplating process makes the whole product durable, and long service life.Anti-corrosion and anti-rust, with stable performance in use. Noise reduction: Door closers can reduce the noise interference generated when closing the door, close the door slowly to minimize the damage caused by violent impacts to the door, and prevent you from forgetting to close the door, enhancing your living experience and creating a comfortable living environment. Easy to adjust: This door closer adopts an adjustable design. You can insert the included adjustment rod into the rotating hole and adjust the closing force as needed to increase the convenience of closing the door and meet your comfort requirements. It is very convenient. Wide application: Our door closers are suitable for metal doors, fireproof doors, wooden doors, civil doors and commercial doors. Almost all doors weigh less than 10kg. The adjustable self-closing door is an ideal choice for home, office and hotel room doors High security: The door closer can protect your safety. This door will automatically close your front door to prevent any abnormal noise or sudden disturbance. It can not only prevent the sudden intrusion of thieves or other strangers, but also create a peaceful environment for your own life, Weight: 0.0440924524 pounds, Manufacturer: Crozgan