This is the wire retainer for Diatone Roma F5 FPV Quadcopter. This holds the 12Ga battery leads to the aluminum standoff. This may fit other Diatone FPV Quads.
Leave a commit if anyone needs the 14Ga version.
https://www.diatone.us/products/roma-5nch-injection-white-plastical-protector-suit?variant=39649940570199