Specifications Specification PotentiometerType single line typeFeatures drumShaft diameter 6mmInstallation thread diameter 7mmBase size 16 7mmKnob size 15 17mmTotal length 25mmPackage Include 4 x B5K4 x B10K4 x B20K4 x B50K4 x B100K4 black knob covers4 white knob covers4 red knob covers4 yellow knob covers4 blue knob covers