Door Latch Lock for Double Doors Ensure your home or business entryways stay secure with this durable floor latch lock designed specifically for double door installations. Built for both residential and commercial use, it provides reliable protection against unauthorized access while offering convenient automatic locking. Key Features and Benefits: Strong Security for Double Doors Designed for interior or exterior double door setups, this latch lock uses a reinforced rod shaft to help prevent forced entry, giving you added peace of mind in ‑traffic or sensitive areas. Heavy‑Duty Aluminum Alloy Construction Crafted from aluminum alloy with iron components, the lock resists wear and maintains strength over time. Ideal for frequently used locations where durability is essential. Automatic Locking Mechanism A built‑in compression spring ensures smooth self‑locking every time the doors are closed. This saves time, eliminates the need for manual fastening, and helps maintain consistent security. Extra‑Strong 12 mm Solid Rod The lengthened, thickened solid rod in the key mortise lock offers robust protection against breakage or tampering attempts. This enhanced strength makes it suitable for areas requiring heightened security. Specifications: Compatible with double door floor mounting Aluminum alloy and iron construction 12 mm solid rod shaft Automatic locking via compression spring Practical Applications: 1. Commercial Entrances: Secure retail store double doors, office buildings, or warehouse access points where dependable locking is critical. 2. Home Use: Reinforce patio or French doors for improved residential safety without compromising convenience. 3. Public or Institutional Facilities: Ideal for schools, libraries, or event halls needing consistent closure on double doors with daily traffic. This floor latch lock offers a combination of strength, convenience, and resilience, making it a practical choice for anyone seeking reliable double door security in demanding environments.