1 Meg Audio Taper Potentiometer CTS Solid Shaft With Hardware Allparts EP-4989-000 For tone of volume control. 1/4" shaft, 3/8" long threads. Includes nut and washer. Knobs to fit MK 0110-001 Nickel Dome MK 0110-002 Gold Dome MK 0110-003 Black Dome MK 0110-010 Chrome Dome MK 0115-001 Nickel Flat Top MK 0115-002 Gold Flat top MK 0115-003 Black Flat top MK 0115-010 Chrome Flat top