Surface Roughness Comparator Inch/Metric Combo

Applications:  

• Used to determine the degree of the surface
  finish by comparison method and visual
  estimation or magnifying glass.

Features:

• Contains standards for the (6) most important
  machining methods: horizontal milling, vertical
  milling,turning, plain grinding, flat lapping and
  external grinding

• Range of 2 to 500μ" and 0.05 to 12.5μm.