Product Description Product Specs/Additional Information Related Videos Audio Product Description Warwick Stacked Potentiometer Dome Knob – Goldpotentiometer knob for electric guitar or bassdome shapedie-castdot position marksuitable for concentric double shaft potentiometers with 4 mm (top / inner) / 6 mm (bottom / outer) shaft diametersfixed with 2 mm hex key set screws (wrench not included)goldalso available in black, chrome and satin chromealso available for single shaft knobs Product Specs/Additional Information Related Videos Audio