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. High-quality zinc alloy automatic door closer with non-handed design and adjustable tension. Features adjustable screws for slow or fast closing; allows you to set the closing speed according to your environment. Dimensions: approximately 6.5 x 4.9 x 1.2 inches. Suitable for doors up to 60kg in weight and 1000mm in width. Universal design fits both right and left swing doors. Ideal for use on home, office, and hotel room doors. Includes mounting bolts and brackets as shown. This door closer helps reduce impact when closing the door, protecting the door 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 personal preference.