1、Ability to act as a normal volume or tone control and pull up to activate its on / on double pole double throw mini switch 2、Controls phase phasing, series / parallel switching and coil taps 3、Includes mounting screw and washer for easy installation 4、The knurled shaft can fit for most control knobs 5、Including 3pcs guitar potentiometers, convenient to replace 3 x Guitar Potentiometer3 x Screw3 x Washer Item Type: Guitar PotentiometerRoHS: YesInstallation Method: PanelDeviation: LinearNumber of Circles: 1Resistance: 500 kOhmsProduct Type: CarbonShaft Type: Knurled / SawtoothTermination Style: Solder PlatePower Frequency: 200mWTolerance: 20%Shaft Diameter: Approx. 6mm / 0.2inShaft Length: Approx. 19mm / 0.7in