1.Electronic Control Potentiometer Knob For D type 6mm Diameter Shaft,Volume Control Knob, Audio knob, Guitar Knob,Electric Guitar Knobs,Encoder Code Switch Knobs 2.Fit for Shaft Hole Diameter: D type 6mm/0.24-inch 3. knob for control the potentiometer. 4. Potentiometer Knob is useful for connect the Potentiometer, usually multiturn linear potentiometer which always use as volume control switch. 5. for your loved LP electric guitars Material:plastic colour:Black + White Package Contents: 10 x Potentiometer Control Knobs Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed is +/- 1-3cm.