At 01:52 PM 5/25/2011, Rocket J Squirrel wrote:
>The two rear loops are considerably sturdier, appearing to be made out
>of something like 5/8'' steel rod stock, bent in a U, then bent again to
>swing up where each is welded to a bumper mount.

Good eye.  Practically every part of them has been stamped on one or
both sides, but I think they started with 16 mm round bar, which is
5/8" in our tongue.

Yrs,
David