Iron hardware for pipes and tubes, wells, concealed lock for fire doors, escape corridor

Features: 1. A perfect substitute for traditional door locks and a good aid for personal and property safety. 2. Convenient to use, easy to install. 3. Practical and low cost, mainly used for double-fan fire doors in hotels, homes, and factories. 4. Made of silver-plated steel material, sturdy and durable. 5. High-standard original factory production, reliable quality. Specifications: Features: High-quality original factory production, reliable quality. Made of iron, sturdy and durable. Practical and inexpensive, mainly used for double-fan fire doors in hotels, homes, and factories. Convenient to use, easy to install. A perfect substitute for traditional door locks and a good aid for personal and property safety. Specifications: Material: Iron Type: Mortise Lock Application: Hotel, Home, Factory Size: As shown in the picture. Package weight: 92g/3.2oz. Package list: 1 x Tube well lock, 1 x Round iron plate, 1 x Square iron plate, 6 x screws, 1 x wrench