- Durable Construction: This household security lock is crafted from high-strength iron with a chrome coating and zinc, ensuring exceptional durability and reliability. Its heat-treated design allows it to resist impact, providing long-lasting protection for your home. - Advanced Anti-Theft Features: The lock features a sophisticated atomic crescent cylinder paired with a transversely shaped A-grade core, offering superior defense against unauthorized access. This high-security structure significantly enhances theft prevention, giving you peace of mind. - Sturdy Keys: The lock set comes with thickened keys designed to resist bending and breaking. The smooth insertion and operation facilitate easy use. With five keys included, you have ample spares to avoid inconvenience. - Versatile Applications: This lock kit is ideal for securing various entry points, including security doors, dormitory entrances, and hotel projects. Its adaptability makes it suitable for diverse safety needs. - Practical Use Scenarios: 1. Enhance security at your home by installing the lock on your main entrance door, safeguarding against potential break-ins. 2. Use it in a dormitory setting to ensure that only authorized individuals can access shared living spaces. 3. Implement the lock in hotel projects to provide guests with reliable security for their rooms, enhancing their overall experience. This security lock combines robust materials, advanced anti-theft features, and practical versatility, making it an essential investment for anyone seeking effective protection.