Stock up, very useful
"Go ahead and buy about 5 of these. Ground terminal to solder to, and keeps ur strap from hanging up on fc"

Pack of 2 interference isolation shields for 20x20 and 30x30 stacks. Place this in your stack between your FC and 4in1 ESC, and solder one of the several ground tabs to your FC ground. It helps to isolated your flight controller's inductors from EM noise generated by your 4in1.  Â
We also carry adhesive copper EMF shielding tape for the same purpose.Â
Check out our stack hardware and FC accessories and all our Diatone gear!