Indexed Grid Graticle Ne11a, 21 mm, 10 X 10 mm With 1.0 mm Pitch, Each

Details:

Useful for particle counting, particularly when reference is needed between workers. Also useful for area of specimen determinations numbered grid 10mm x 10mm. 1.0Mm pitch, marked 1-10 and a-j, surface chrome image. Size: 21 mm