Universal qualitative Finnish locks are widely used for closing the interior doors and doors of plumbing facilities. Control of locking / unlocking of doors is carried out (depending on the locations of installation) or by using a furniture key, or by a swing- tumbler WC button. 

This is the line of locks for light interior doors, in which the management of pin takes place through the EuroDin (PZ) cylinder and a swing- tumbler button (WC), respectively. The sidedness of locks is not universal, that means either left or right side locks are supplied.

LM series locks are used for interior doors and doors of the sanitary facilities. Managing the locks can be done using a EuroDin (PZ) cylinder or a swing-tumbler (WC) button, respectively.