My friend Rogerio de Silva from Brazil and I were having a talk some time ago about engineering in Brazil. I don't think many have any idea how expensive it is to buy equipment out there let alone materials. Rogerio asked me how much I paid for my Lathe, I told him £1200. He said it would be cheaper in Brazil to buy a car than my lathe - I just about fell over.
So my friend celsoari hat off to you for a fantastic piece of machining, I also learnt a couple of skills watching your video clip.
I saw a similar project to yours and made a pair of adjustable vice jaws as well. my jaws are not shiny like yours and have not been faced to square them up - just used some machined square stock i purchased. i am so embarrassed i am now going back to finish them.