Product Name: Potentiometer Knob Cap;Material: plastic, aluminum;Net weight: 19gMain Color: Silver Tone, Black;Shaft hole diameter: 6mm / 0.24 inch; Top diameter: 15mm / 0.6 inchPotentiometer knob is suitable for connecting the rotary potentiometer, usually multi-speed linear potentiometer which is always used as a volume control switch.A-type potentiometer volume switch, right and left knob.Spare part for audio device, 6mm round shaft can be pressure on it easily.360-degree knob for easy control of the potentiometer.Package Contents:4 x potentiometer regulator capsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.