<p>Automatic door closer is made of stainless steel and zinc alloy, using integrated molding process and multi-channel assembly process to ensure durability and strength. </p> <p>High-quality zinc alloy construction with non-handed design and adjustable tension. Features adjustable screws for controlling slow or fast closing speed, allowing customization of the closing speed to suit different environments. </p> <p>Dimensions: approximately 6.5 x 4.9 x 1.2 inches. Suitable for doors weighing up to 60kg and door width up to 1000mm. Universal design fits both right and left swing doors. Ideal for use on home, office, and hotel room doors. </p> <p>Includes mounting bolts and brackets as shown. Helps reduce impact when closing the door, protecting doors from damage and minimizing noise. </p> <p>Please measure your door before purchasing. Closing strength can be adjusted using the included hex wrench, allowing tighter or looser settings based on personal preference.</p>