Photo 1 of AMTAST Professional Surface Roughness Meter Digital Surface Gauge Handheld Surface Roughness Tester Meter with 22 Parameters Portable Profilometer for Outer Cylinder, Curved, Pinholes (Model AMT211)

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Photo 1 of AMTAST Professional Surface Roughness Meter Digital Surface Gauge Handheld Surface Roughness Tester Meter with 22 Parameters Portable Profilometer for Outer Cylinder, Curved, Pinholes (Model AMT211)Photo 2 of AMTAST Professional Surface Roughness Meter Digital Surface Gauge Handheld Surface Roughness Tester Meter with 22 Parameters Portable Profilometer for Outer Cylinder, Curved, Pinholes (Model AMT211)