5570 Series – 127mm Backset Mortice Nightlatch Primary Lock Choose Option:Mortice Nightlatch – Primary Lock – 127mm Backset Enhances door presentation with premium

Enhances door presentation with premium finishes and concealed fixings

and secure facilities

providing secure and convenient key operation

Special sizes are not available for Interblind range

Expands SMARTair system door capacity

5570 Series – 127mm Backset Mortice Nightlatch Primary Lock Choose Option:Mortice Nightlatch – Primary Lock – 127mm Backset Enhances door presentation with premiumSuitable for heavy duty use in industrial and commercial buildings, institutions, clubs, schools, hospitals, hotels, and similar buildings. 3570 Series Cylinder Mortice Locks are made from quality materials to meet high durability and strength requirements. Various latching functions operated by a key outside and by a turnknob or key inside. The nightlatch locks automatically when the door is closed. For all nightlatch functions specify the primary