A circular Mitutoyo optical flat with one surface accurately polished for inspecting the flatness of gauge block or platen reference surfaces, micrometer contact faces or any other very flat surface of high reflectivity.
Features
| Inch-Metric: | Metric |
| Length (L): | 12 mm |
| Diameter (D): | 45 mm |
| Flatness: | 0,1 µm |
