Parallels are useful as gages for:
- Layout, gaging, inspection work and for setups on various machine tools
- Checking the size of slots and openings.
- Leveling or adjusting work on setups
- Parallels slide smoothly and can be easily adjusted.
- Sizes A, B, and C, are locked by one screw
- Larger sizes D, E, and F, have two lock screws.
- All parallels are 9/32" thick.