IKN Guitar Small Size Pots A250K Split Knurled Short 15mm Shaft Linear Taper Potentiometers, Pack of 10 Fits Stratocaster and Les Paul 6MM knobs,should also fits other 6mm knobs as well.Ideal for electric guitar or bass building Shaft Length: Approx.15mm.Shaft Diameter:Approx.6mm. Shaft Thread diameter:Approx. 7mm.Whole Length: Approx.24mm.Base Diameter:Approx.17mm Full Resistance: A250K ohm. A Type Coarse knurled shaft fits most control knobs Package includes: 10 x Guitar Bass Pots