![](photo/checklite.jpg)
Checklite
To inspect components for Flatness having "reflective" finish. (with optical flat). (By comparison method)
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![](photo/optical_flat.jpg)
Optical Flat
To inspect components for Flatness (along with checklite) having "reflective" finish. (By comparison method)
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![](photo/straight_edge_&_filler_gauges.jpg)
Straight Edge & Filler Gauges
To check Flatness of lap plates by filler gauges of 10, 20 & 30 microns.
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![](photo/span_guage.jpg)
Span Guage
Span Guage is with 3 legs presettable on a master Surface Plate.
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