Garmin knobs .

[Eagle 1]

I bought these. They are universal AND “lock” the unit. I put them on Hbird Helix 10s and a Garmin 1022. It comes with 5 or 6 different thread studs the knob and the pin lock. If you want I will take a pic of the studs and measure them for you.


RAM(R) Pin-Lock™ Security Knob for Gimbal Brackets

thanks, may be a good option .