Seymour Duncan SD PotentiometerHigh-quality audio taper potsSmooth taper and feelImport coarse splined split shaftMade by Bourns for Seymour DuncanAvailable in 250k and 500k versionsCustom-crafted by Bourns to exact Seymour Duncan specifications, the Seymour Duncan 250k & 500K Smooth-Turning Potentiometers feature high-quality construction, tapered control, and a feel thats just right all from a name you trust. Use it as a volume pot or tone control. You can feel the difference Comes with mounting hardware.