C-Series Mortice Locks Delivering some of the most recognisable and trusted products on the market, the UNION C-Series range of 5 lever high security mortice locks offers a plethora of functions including deadlocks and sashlocks. 3G110 - 5 Detainer Mortice DeadlockFor timber door hinged on the left or the right Keys are… 3G114 - 5 Lever Mortice DeadlockFor timber door hinged on the left or the right Keys are… 3G114E - BS 5 Lever Mortice DeadlockApproved by insurance companies and the Police For timber… 3G115 - 5 Lever Mortice DeadlockFor timber door hinged on the left or the right Keys are… 3G220 - Narrow Stile Mortice DeadlockFor timber door hinged on the left or the right Keys are… 3K74 - 5 Lever Mortice SashlockFor timber door hinged on the left or the right Keys are… 3K74E - BS 5 Lever BS3621:2007 Mortice SashlockApproved by insurance companies and the police For timber… 3K75 - 5 Lever Mortice SashlockFor timber door hinged on the left or the right Keys are…