Mitutoyo Flatness/Parallelism Inspection Product Optical Parallel (157-903) Set of 4 OP-25 1S

Catalog number: OP-25 Features: ●A set of 4 pieces with different thicknesses based on the rotation angle of the spindle. Applications: ●For checking the flatness and parallelism of the measuring surface of a micrometer. Specifications: ●Manufacturer code: 157-903 ●Flatness: 0.1 μm ●Outer diameter: φ30 mm ●Parallelism: 0.2 μm Set contents/accessories: ●157-101 (thickness 12.00 mm) ●157-102 (thickness 12.12 mm) ●157-103 (thickness 12.25 mm) ●157-104 (thickness 12.37 mm)