Well, the instructions say it has 3/4" nuts and bolts to connect the ball joint to the car mount, but that's not entirely accurate. I've tried 3/4 to no avail. BUT Home Depot sells a 27mm socket that fits the screw perfectly but is too small for the screw so I had to use an adjustable wrench which I got from the same Home Depot. The piece that attaches to the pendant to lock the chains is 3/4 so at least it's there. I'm not quite at the point of attaching them to the trailer, so those comments will come later.
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