For use in high security government, institutional and commercial projects. The 3579 Series Mortice Lock has been successfully SCEC approved for secure area applications.
Restricted handling type features of the lock (external hub fixed, internal hub released under fire/emergency release, reversible latch are accessible without removing the latch
570 oval type cylinders and retaining pin can be used (cylinder must also be SCEC approved for secure area)
2 x 1.2mm stainless steel plates fixed through lock provides increased strength to cylinder and latch areas of the lock