Magnetic Back for Dial Indicator

This is a replacement back for a chinesium dial indicator to allow it to stick onto the ways of a
lathe and measure carriage travel. It's very good for making pretty precise shoulder lengths and things on turned parts. If you need to measure more than the range of your indicator, just move the carriage 900 thou and re-zero until you get to the dimension you want.

There are a few other designs for magnetic indicator backs on here, but I wanted one that would keep the indicator square with th