200 ton hydraulic jack - video

200 ton hydraulic jack. By CallutLathe. 18:25 video:

https://www.youtube.com/watch?v=8dcj1Mqrtbw

Part 2. By CallutLathe. 22:06 video:

https://www.youtube.com/watch?v=tNgmKUn1eJE

I would like to see the spring loaded threading tool mechanism.