HETS - Head Assembly Tools Set

[tonyht]

Hi all.. I have read some old post in this forum, and there is one thing make me very interested. There some post about "Head Assembly Tools Set" - or HETS . posted by Jose Pinto. I'm guessing there still a lot of us wondering what kind of tools that.
Maybe jose pinto or somebody can explain to us again or show us what kind of tools that.??
I'm interest to know what it is.
thanks.