Rotary switch (as used in VOX® AC30 for Vibrato/Tremolo)
[BM-SW1]

Rotary switch, 6 Positions with 2 poles, D-Shaft with 1/4", Mounting 3/8", non-shorting, with solder lugs, can be set to 2-5 positions.
Perfect replacement for the VOX® AC30 Vibrato/Tremolo switch