Door A lock case is always mounted with a striking plate. The design of the striking plate may vary depending which lock case you want to combine it with. Striking plates for mechanical locksA lock case is always mounted against a striking plate. ASSA Connect has its own series of striking plates while ASSA Module and narrow profile locks which suits with what we call Classic. Striking plates for multi-point locks, MPLASSA multi-point locks, MPL, should be combined with appropriate striking plate to work as intended. ASSA OEM provides a wide range of striking plates to suit different lock types and needs.