Mesa Boogie knob Large, Numbered with Set Screw

Mesa Boogie® Pot Knob Large, Numbered with Set Screw

6.3mm shaft, numbered 0-10, with set-in screw

#408115

Used on:
.50 Caliber(+)
Bass 400(+)
Mark III
Mark IV (Output knob)
Quad Preamp
Simul-Satellite
Subway Rocket & Rocket Reverb (tone controls)