I bought one of these from the original manufacturer Des Burke about 1994 or just a bit later. It cost significantly less than Eccentric Engineering are charging and is still in daily use mostly cutting 316 stainless but has been used on everything including 01, M3, nylon, lucite, brass, bronze, copper, mild steel, aluminium, titanium and various metals unknown. The only problem I had with mine was that the tool post had to be turned 6 degrees towards the headstock to get the right cutting angles. This was no problem for Des as he had a tool post that indexed in 6 degree steps but it annoyed me using it on a Dickinson Tool holder. It may have been changed sometime in the last 15 years or so. This eventually got so annoying to me that i welded a 6 degree wedge to the side of the tool shank to wedge it sidewards in the tool holder and returned the quick change tool post to right angles to the bed. I think I have a drawing of Des's tool post somewhere if anyone is interested.