I'm a little confused as to what a peice of black tubing that came with the Trex 450 Sport is for. It's of plastic construction approx 250mm long and is hollow with a 1mm hole. I can't see anything in the manual or what it'd be used for. It came in the same bag box as the two boom supports.
Any help to solve this one would be great.
Any help to solve this one would be great.
x 3




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