- Joined
- Jun 7, 2013
- Messages
- 10,444
That block on the ways could be used to mount a magnetic indicator base. Adjustable parallels are used for several things, They can be used to gage machined slots in conjunction with a micrometer or set with a mike and used as a gage between a carriage stop and the carriage, and many other uses, a handy tool. The second indicator is a button back indicator