This is a direct replacement pot for the Jim Dunlop Cry Baby wah pedal (and some others listed below). Jim Dunlop Cry Baby® Hot Potz II, 100K Potentiometer Extended life Low-noise potentiometer One million cycles Life sealed for dust-free operation Compatible with all Cry Baby® and Hendrix Wahs except Cry Baby 105Q Bass Wah, Cry Baby Mini 105Q Bass Wah, Geezer Butler and Bully Duffy models.