Bakelite-Aluminum Rotary Knob
This knob is made with bakelite and aluminum. The inside hole is installed with a piece of knurled brass tube which should be snapped on potentiometer shaft and secured with a screw first. It fits the most popularly used potentiometers with round shafts of 4, 6, or 6.35 mm in diameter.
* Material: Bakelite-Aluminum
* Bottom Diameter: 20/22/27/32/45mm
* Height: 11/14/16/20mm
* Potentiometer shaft hole diameter: 4/6/6.35mm