From the parts list, it is 1.6 inches in diameter. 73, Don W3FPR On 5/10/2013 9:10 AM, Behiels JeanPierre wrote: > Hi Elecraft members > > Is there any K2 builder witch could give me the exact diameter(mm or inches) value of the standard delivered VFO dial knob of the K2 rig ,I like to now. > > Regards Jean ON4AEF. >