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. Architectural 2D2 Series - Heavy Duty Architectural C-Series Mortice BS & High Security Euro Profile Euro Profile Mortice Oval Profile Mortice BS 3621:2004 5 Lever & 5 Lever 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 4 Lever Mortice Locks 2201 - 5 Lever Mortice Sash Lock