- Cylinder Square
- Thread Pitch Leaf Gages
- Thread Ring Gages
- Thread Plug Gages
- Radius Gages
- Feeler Gages
- Go-NoGo Gages
- Snap Gage
- Surface Finish Comparator
- See: Optical Comparator
- See: Gage Block Comparator
Thread Pitch Leaf Gages

Thread Ring Gages
Thread Plug Gages
Radius Gages

Feeler Gages

Feeler gages are leaves of precisely made shim stock. These are used to evaluate the thickness of gaps between flat surfaces. (See: Feeler Gage Video)
Go-NoGo Gages

Snap Gage
Snap gages can be set to limit dimensions.

Surface Finish Comparator

See: Optical Comparator
See: Gage Block Comparator
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