CTS No Load US Spec 1/4" Split Knurled Shaft Fine Spline Guitar Potentiometers
Includes nuts and washers
US Spec 3/8" - 32 Thread
Import guitars may require enlarging the holes in the pickguard or body, and US spec knobs are required.
NOTE: Tube amplifiers produce potentially LETHAL voltages. If you are not 100% confident and competent to perform repairs on your amp, take it to a qualified technician.