I'm not looking to start another discussion related to the proper techniques for
jacking up and supporting a vehicle. That subject has been discussed ad nauseam.

My question is quite simple: Would you feel safe working under a vehicle that was
supported by either of these jack stands, assuming of course that you stayed
within the 2 ton rating of the device.

Based on the date that this first video was published, I think this is the newest
version of the RennStand.

Video Published on May 10, 2017
https://youtu.be/yqXIrSVQ3ts

The following appears to be an earlier version of the RennStand, based on the
date that the video was published:

Video Published on Oct 13, 2016
https://youtu.be/tfk5UF7rbuM

Maybe it's just me, but both the angled welds and the curved sections of the
support bars seem like dangerous points of failure.