- Range: 2, 2.5, 3, 4, 5.5 mils
- Compact, portable field instrument—ideal for quick assessment of blast cleaned surfaces
- 5 reference profile grades per comparator
- Made of durable high purity nickel
- Select from Grit/Slag Blast, Sand Blast, and Shot Blast
- Illuminated 5x Magnifier for use with comparator disks available
- Imperial units
- Conforms to ASTM D4417-A