●Fits most Asian guitar bass pots, like alpha pot, almost all Ibanez / ESP / Cort guitars produced in Japan, Korea, China and Indonesia after epiphon Les Paul / SG / ES ●This knob will not fit inch sized pots such as CTS / Fender / Dimarzio / Burns pots. You can find our Imperial inch size knobs for them ●18 coarse splines, 6.0mm inner diameter Acrylic, numbers 0-10 ●Correct color, shape, font, it will dress up your guitar/base correctly ●Set of 4