Ring for Flex Radio FlexControl

This is a replacement ring for the FlexControl USB VFO knob for the FlexRadio 6000/8000/Aurora series radios.
It is installed in place of the two factory O-rings. It needs to be printed out of TPU so it will stretch over the aluminum knob. Remove the knob from the FlexControl to make installation much easier/safer. It is removed with a 1.5mm hex grub screw. The replacement ring has a hole you should line up with the grub screw so it is easy to tighten the knob back on after the ring is installed.