●These pots are widely used guitar tone and volume control. Suitable for coil taps, phase switches, kill switches, etc. Millimeter pot is mainly used for imported guitars or Asian guitars ●6mm knurled split brass shaft fits coarse knurled (18 spline) knobs. It fits modern Squier / Epiphone / ibanez / ESP etc made with Chinese/Korean / Japanese guitar stock knobs ●Millimeter standard, thread diameter: M8 (8 mm); thread height: approx. 0.4 inches (10 mm); outer diameter: 0.5 x 0.7 inches (13 x 17 mm). Standard solid construction ●B curve, normal ±20% resistance tolerance 500 kΩ resistance value mainly used for humbucker PU. 250kΩ gives a slightly warmer tone than 500kΩ and emits some high frequencies (attenuation) to the ground ●Package included: 2 pcs pot, nut, washers