Spike tape is a special matte surface gaffers tape. Spike tape is a type of narrow, colored gaffers tape for stage marking. They are phosphors on the surface. So it also called fluorescent tape or phosphorescent tape. Spike also matte-finished, diffuses light reflection.
In stagecraft, a spike is a marking, usually made with a piece of fluorescent spike tape, put on or around the stage. This marking is used to show the correct position for set pieces, furniture, actors and other items which move during the course of a performance and are required to stop or be placed in a specific location.It also used for a Labeling Tape on Light Control Board, DJ Mixing Board, Audio Mixer. It helps DJ mark where certain tracks, or certain parts of the track start.