The strike assembly can have a strike with a strike face, a socket in the strike face for receiving a male locking member retractably mounted to a door, the socket having a shim-receiving wall integral to and normal to the strike face, the shim-receiving wall having a receiving aperture, an insert being securely engageable into the receiving aperture along an insert engagement path, and a shim plate held firmly in the socket, against the shim-receiving wall, by the insert, when the insert is engaged into the receiving aperture.