This video tutorial is in the Home & Garden category where you will learn how to install an interior door set on a pre-bored door. For this you will need a tube latch, straight plates, door plates, two knobs, two sets of ring guides and a spindle. You will also need a tape measure, ruler, screwdrivers, a drill and safety glasses. A pre-bored door has a face and an edge bore. First install the tube latch through the edge bore ensuring that the angle side of the tube face is towards the door jamb. For this drill the holes for the screws, insert the tube latch in to the bore, place the face plate and put the screws. Then you got to install the plates. You can watch the video to learn how to do this.