Fowler 53-682-404 Set of 4 Quartz Optical Flats, 2.0" Diameter, 3.567"-3.582" Thickness *USED* Dial Easy to set up gauges

Easy to set up gauges into required position

Mechanical digit counter for quick and error-free reading

375"/8-10mm

The grip is short to allow easy positioning within cylinder

Center channel angle increases capacity

Fowler 53-682-404 Set of 4 Quartz Optical Flats, 2.0" Diameter, 3.567"-3.582" Thickness *USED* Dial Easy to set up gaugesItem Description Fowler's Quartz Optical Flats and Parallels are perfect for repair departments and Quality Control labs for inspection of micrometers and other measuring tools. Diameter: 2. 00" Thickness: 3. 567"3. 582" Flatness: . 000003" . 00007mm Parallelism: . 000040" . 001mm Current certificate NOT included With fitted case