Spinner knobs

Links to a couple of different spinner knobs for your µBITx:

https://www.ebay.com/itm/Spinner-Knob-with-Finger-Divot-2-1-8-Diameter-for-Antenna-Tuner/162875608597?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m2749.l2649

https://www.ebay.com/itm/NEW-Universal-Spinner-Knob-for-Radio-Amplifier-Alcoknob-K91182F-185345/260793832670?hash=item3cb88614de:g:AAIAAOxyyjpRyH3x