Mahr Federal Calsurf Roughness Standard PMD-90101

Mahr Federal PMD-90101 Roughness Specimen NOT CERTIFIED

GENUINE Mahr Federal PMD-90101 Roughness Specimen *Light USE*

Mahr Federal Roughness Specimen

Mahr Federal Precision Devices Roughness Standard Model PMD-90101

Mahr Federal 2223604 Calsurf Roughness Standard

Mahr Federal Pocket Surf Portable Surface Roughness Gage HEL-016 with Case

Federal Mahr master XX ring gage + matching air probe size .9974