These are control buttons plastic with plastic insert, fit 1/4 “(6mm) shaft potentiometers.
Control buttons gathered to plastic potentiometers to facilitate rotation.
Knob Diameter: 10-15mm (Taper)
Knob Height: 15.6mm
Installation Hole Diameter: 6mm (For fixing screw)
Suitable For: It can be used for 5.9-6mm shaft diameter potentiometer
Color: Blue, Red, Orange, Green, White( the color is random)