These unloaded (also known as empty) surface mount housings are ideal for inserting telephone (Cat 3), Cat 5E, Cat 6, Cat 6A, audio or other keystone jacks into a single housing and mounting on the baseboard, wall or anywhere else.  They come in handy when you need a jack or mulitple jacks somewhere where a wall plate will not work.  It is also easier if you do not want to run the cable inside the walls.  Colors are white and ivory and they can accommodate 1 to 8 jacks in a single housing.