Building A Lathe Radius Tool ( Reverse Hemisphere Tool)

Link for Dustin. https://s.vevor.com/bfQKli If you would like to support me and my projects, I have created a Patreon account. Regardless of the amount, every bit helps, will be put to use and is awesome motivation. Thank you so much !! My Patreon -   / joel_a   The Joel Arseneault YouTube channel where I do mostly jetski stuff that is much more edited.    / @joelarseneaultyoutube   My Teespring - https://spark-bolt-city.creator-sprin... Actual description: In this video, I make a tool for my lathe, that is capable of turning an internal radius. I have never seen one of these tools before, but I needed one to repair a cylinder head.... so here we go.