KSJ MG6-SM Gloss Meter for Metal: 60º (0 to 1000 GU, 1 GU Resolution) - Calright Instruments
Gloss Meter Angle 60 Degree Glossmeter Testing Precision Non-Metallic Material Surface Gloss Measurement MA6 with Measuring Range 0.0 to 199.5GU: Amazon.com: Tools & Home Improvement
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