Review on HiTow Multi Use Trailer Receiver Extension by Johnny Snyder

I have tried installing 4 different 2" hitches which work fine in other receivers in this vertical HITOW hitch. Alignment hole where you would insert the clutch pin. So the HITOW receiver is either not square internally or is narrowing or there is some other manufacturing defect. I've considered hitting the clutch somehow, but then I can never get the thing out, so I'm sending it back.