Iron Pipe Lock Invisible Mortise Door Lock Pipe Well Fire Door Lock Escape Aisle Lock

Features:  - Made of strong iron material.  - High strength and hardness.  - Easy to install and use.  - Durable in use. Not easy to break  - Used for piping shaft, fire door, access door, etc.  Specifications:  Name: Tube Well Lock  Material: IronSize: 16*60 cm  Package include:  1 x tube well lock  3 x lock buckle  1 x key