This Fire Door Ironmongery Kit by Zoo Hardware is designed for use in offices or classrooms. The kit includes locking mechanisms to secure the door when necessary. Complete with a Key & Turn cylinder to suit a 44mm door. All stainless steel hardware. Made specifically for fire doors, this ironmongery kit provides essential hardware components to ensure the safety and functionality of the door. Ideal for commercial or educational settings where fire safety regulations must be met, this kit from Zoo Hardware offers quality and reliability in securing doors in critical environments.