Musiclily 500K Long Split Shaft Pots Linear Taper Push Pull Potentiometers(Pack of 2) Fits Stratocaster and Les Paul 6mm knobs,should also fits other 6mm knobs as well.Ideal for electric guitar or bass building. Shaft Length: 18mm Shaft Diameter: 6mm Whole Length: 43mm Base Diameter: 16mm Full Size; Whole Length: 43mm;Base Diameter: 16mm Package includes: 2 pc Potentiometers