Hi, I ordered the RC Controller joystick dust covers (round black things) and also received 2 packages (4 each) of these little blue things, which I didn't order. They look like fuse pullers to me but I have no idea what they would be for on the Mavic or RC Controller. Any ideas? Thanks! P.S. The Black Dust Covers are 1 3/8" Dia and the Blue guys are 1 3/4" long x 1/2" wide x 1/4" thick


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