●Suitable for use in USA LP style guitars such as LP, SG, ES-335. Even if you use an inch pot with Epiphone guitar ●Fits most US 6mm (15/64") split shaft pots, like inch size, narrow 24 splines, CTS/Fender/DiMarzio/Bourns and will not fit mm potentiometers like Alpha ●Inner Diameter: 0.2 inches (6 mm), Outer Diameter: 1.0 inches (26 mm), Height: 0.5 ●Acrylic ●Package includes: 4 pcs Guitar Knobs