This is not available yet as it's a work in progress. It's an idea I've had for a couple of years. The idea is to make it easier to match bars and chains across the range of main manufacturers and put a line under a lot of the nonsense that they create either knowingly or unknowingly.   Called the FIVE-O range - because every thing is in .050 guage this is for everything from the small bars to the large bars. It's .050 whether it's Stihl or Husky or Makita regardles