Universal Fit for Most Inward-Opening Doors: Tailored to fit most doors that open inward, this lock is compatible with door thicknesses between 46 mm and 60 mm and a minimum of 0.08 inches. Note: It is not suitable for sliding, double, or outward-opening doors. Adjustable, User-Friendly Design: Featuring a flexible knob with up to 8 mm of adjustability, this lock ensures a snug fit and optimal security without any gaps. It's designed for easy operation, allowing you to secure your home quickly and efficiently. Drill-Free, Portable Security Solution: Our latest door lock model requires no drilling, making it perfect for on-the-go security in hotels, dorms, and apartments. Its compact design allows for easy removal and transport, providing a balance of convenience and privacy. Robust Aluminum Alloy Construction: Engineered to withstand up to 800 lbs of force, this door reinforcement lock enhances your home's security effectively. It's an ideal choice for ensuring the safety and peace of mind of your family. Please verify the size compatibility with your door prior to purchase. Simple One-Hand Operation: Lock or unlock your door with a simple motion using just your thumb and forefinger. This door lock is designed for effortless use, making it accessible for all users and ideal for quick exits and entries., Manufacturer: Akfldms