4pack 2P6T 2 Pole 6 Throw 1Deck Band Channel Rotary Switch Selector with Knob

Product Name : Band Selector Rotary SwitchContact Type : 2 Pole 6 Position,1DeckFit Mounting Hole Diameter: 9mm / 0.35" ; Pin Number : 14Rotating Shaft Dia : 6mm / 0.24" ; Shaft Length :14mm/ 0.55"Comes with mounting nut and black plastic knob, no worry about knob size mismatching.

eBay