Mortice Locks The UNION name been synonymous with mortice locks since 1840. Today, UNION produces a wide range of products suitable for both architectural specification and residential use. Downloads Mortice Lock Terminology (.pdf, 367 kB) Architectural 2D2 Series - Heavy Duty Architectural C-Series Mortice Euro Profile Mortice Oval Profile Mortice BS 5 Lever & 5 Lever Mortice 3 Lever Mortice 2 Lever Mortice Bathroom Locks and Latches Specialist Wellington Locks Rebate ComponentsA typical rebated component set is used to convert a mortice lock with a flat forend, into a full rebated lock Heavy Duty Tubular Latch