Automatic door closer is made of stainless steel and zinc alloy, using integrated molding process and multi-channel assembly process to ensure the product is durable and sturdy. High-quality zinc alloy automatic door closer with non-handed design and adjustable tension. Features adjustable screws for slow or fast closing, allowing you to set the return close speed according to the environment. Size: 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 home, office, and hotel room doors. Includes mounting bolts and brackets as shown. This door closer helps reduce impact when closing the door, protecting it from damage and minimizing noise. Please measure your door before ordering. The closing strength can be adjusted using the included hex wrench, allowing you to tighten or loosen based on your preferences.