Knurled Aluminum Rotary Control Knob - OD: 20mm / H: 15.5mm
This anodized black aluminum knob with pointer is a very popular for use with volume control systems. The knurled wall makes it easy to rotate. Each of them comes with a secure screw and a matching wrench.
* Diameter: 20mm
* Height: 15.5mm
* Potentiometer shaft matching hole: 6mm by diameter
* Screw: M4