Iron Hardware Pipe Tube Well Invisible Lock for Fireproof Door Escape Aisle

Features: High standard original factory production, reliable quality. Made of iron material, sturdy and durable. Practical and low in cost, mainly used for double fan fire doors of hotels, families, factories. Convenient to use, easy to install. A perfect substitute for traditional door locks and a good helper for personnal security and property safety. Specifications: Material: Iron Type: Insert Lock Application: Hotel, Family, Factory Size: 4.7*6*2.1cm Size: Showed as the Picture Package Weight: 92g3.2oz Package List: 1 x Tube well lock1 x Round iron plate1 x Square iron plate 6 x Screw1 x Key