On Sat, 9 Aug 2014 15:28:21 -0700, "Howard Beal"
wrote:

I like them. They appear to be safer than the typical
jack stands. Seems like they would be easy to make
using square steel tubing. Any ideas for improvements?

https://www.youtube.com/watch?v=cXCvq6DNJi0

Cute!

One improvement would be pneumatic bottle in each one to allow them to
lift themselves to top height.

P.S: The guy should have set his emergency brake before making that
lift. Did you see the vehicle rock front to back as he lifted and
dropped the jack? Unsafe!

--
Aim for success, not perfection. Never give up your right
to be wrong, because then you will lose the ability to
learn new things and move forward with your life.
-- Dr. David M. Burns