Theatre gaffers tape use for a labeling tape on light control board, DJ mixing board, audio mixer. It is also called DJ tape. It helps DJ mark where certain tracks, or certain parts of the track start.
The theatre spike tape use for marking the microphone. Different actors easily and quickly identify which microphone they should use in the dark light environment.
These applications require gaffers tape surfaces to be able to write notes on it.
Gaffers tape and spike tape with writable backing and you can easily write on the tape. This is convenient for a labeling tape on light control board, DJ mixing board, audio mixer.
So the gaffers tape also named labeling tape because they have various colors and matte surface cloth surface.