●These pots are widely used guitar tone and volume control. 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 Standards, Thread Diameter: M8 (8mm); Thread Thread Height: Approx. 0.4 inches (10 mm); Aluminum Thread, Brass Shaft; Body Outer Diameter: Approx. 0.9 inches (24 mm). Standard solid construction ●A-curve, normal ±20% resistance tolerance 250 kΩ resistance rating mainly used for single coil PU. 250kΩ gives a slightly warmer tone than 500kΩ and emits some high frequencies (attenuation) to the ground ●Package included: 4 pcs pot, nut, washers