[Elecraft] K3 Main Tuning Knob...

[Keith Trinity WE6R]

Hi Gerry;
We have plenty of these, Elecraft Part # E980093 VFO A knob for K3 & K4.

Old finger grip E980094
New Neoprene grip E980285

Or E850306 for knob including old finger grip.
Or E850697 for knob including new style grip.
Keith WE6R K3/K4 Tech