Check the listing for details. 2Pcs 44.5x19mm Top Potentiometer for Volume Tone Control Rotary Knobs Silver. Condition: New. Listed at 13.99 USD. Potentiometer KnobsProduct Details1.Size:44.5x19mm /1.75'' x 0.75''(D*H);Fit for Shaft Hole Diameter:6mm/0.24'';Package Content: 2 Pcs x Potentiometer Rotary Knob2.360 degree rotary knob for easily control the potentiometer.Easily adjust,widely applied to control the effect of a variety of functions, such as level, speed, voice, etc.Can be used for synthesizers, electric guitars, etc.3.Electronic Control Potentiometer Knob For 6mm Diameter Shaft,Volume Control Knob, Audio knob, Guitar Knob，Electric Guitar Knobs，Encoder Code Switch Knobs4.Material: plastic, durable, exquisite workmanship, easy to carry and use.5.Note：In order to make the rod and knob sleeve tighter, the actual hole diameter will be slightly less than 6mm. When using, you need to push the knob hard.