This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Seven strings guitar with tremolo floating bridge. en Proper intonation position of the saddle of each string and action position of the strings height good middle position of the fine tuners and good angle of the tremolo floating bridge finely set up with standard light gauge strings own Robertgrassi string guitars