Optical Flats
STARRETT OFS 6. R 6" Single Surface Optical Flat, Reference Grade
Geisler SKU: IT-133114
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STARRETT OFS 6. RC 6" Single Surface Optical Flat, Reference Grade, Coated
Geisler SKU: IT-133115
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STARRETT OFS 6. W 6" Single Surface Optical Flat, Working Grade
Geisler SKU: IT-133116
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STARRETT OFS 6. WC 6" Single Surface Optical Flat, Working Grade, Coated
Geisler SKU: IT-133117
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