BS 5 Lever The UNION BS 5 lever mortice range is the tried and tested solution for high security applications. 2134E - 5 Lever BS 3621:2007 DeadlockFor timber doors hinged on the left or right Keys are sui… 2234E - 5 Lever BS 3621:2007 Mortice Sash LockFor timber doors hinged on left or right and requiring ke…