A High Security Mortice Lock For Use In Interior And Exterior Doors In Commercial And Domestic Environments. The Lock Has Been Rigorously Tested To Bs 3621:2007 Which Is A Common Requirement Of Building And Contents Insurance Policies. The Heavy Duty Spring Mechanism Makes This Lock Ideal For Sprung And Unsprung Door Handles.Tested To Bs 3621:2007Anti-Drill ProtectionHigh Security Insurance ApprovedEasily Reversible Latch BoltTested & Certified For 30 & 60 Minute Fire DoorsSupplied With 2 KeysPTDTIM675952