5571 Series – 127mm Backset Mortice Deadlocks with Escape & Primary Lock Variants Choose Option:Escape Deadlock – No Cylinder – LH – 127mm Backset Cylinder Hole – 142 Lever

Cylinder Hole – 142 Lever – RH

ENG options for custom security management

Compatible with Lockwood Synergy 3570 and Selector 3770 Series Mortice Locks

this heavy-duty plate design ensures maximum strength

The LED provides clear visual feedback on lock status

5571 Series – 127mm Backset Mortice Deadlocks with Escape & Primary Lock Variants Choose Option:Escape Deadlock – No Cylinder – LH – 127mm Backset Cylinder Hole – 142 LeverThis is a commercial grade extended backset mortice escape deadlock from Lockwoods Synergy Series, designed for timber or metal doors where a longer backset is required for handle clearance or architectural alignment. The Escape function allows immediate egress from the inside without a key, while still providing secure deadlocking from the outside when a cylinder is fitted. Key Features Backset: 127mm extended backset for specific door and hardware