Some of the plasterboard fixings today can leave a large diameter hole in the plasterboard or drywall once they are removed. In this demonstration a Geefix fixing is removed and also a GripIt fixing, both of these fixings will leave a 25mm or 1” diameter hole in the plasterboard or drywall which will need repairing. The filler used in this video is Gyproc easifill, which can be seen in more detail here- https://www.youtube.com/watch?v=iM_FD403--k