Fowler 53-682-101-0 Set of 4 Quartz Optical Parallels, 1.20" Dia. .610-.625" Thickness *NEW - Open Box Item* Snap Gages - Demo/Used as well as standard functions

as well as standard functions

Carbide measuring insert

Lenth 6 7/8"

For use with: some 543 Series Indicators with round 10-pin connecter

Fowler 53-682-101-0 Set of 4 Quartz Optical Parallels, 1.20" Dia. .610-.625" Thickness *NEW - Open Box Item* Snap Gages - Demo/Used as well as standard functionsItem 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: 1. 20" Thickness: . 610 . 625" Flatness: . 000003" . 00007mm Parallelism: . 000020" . 0005mm Certificate not included With fitted carrying case *New Open Box Item: Excellent condition. Original protective wrapping or bag may be missing or open. Packaging, box and or