5-Step Block for thickness and linearity calibration.
Inch
Step Thickness: 0.100, 0.200, 0.300, 0.400, and 0.500
Step Face: 3/4 x 3/4
Spec: ASTM E797
Optional Hardwood Case available...see above.
Metric 5A
Metric 5A 5-Step Block for...
Available In: Inch, Metric 5A, Metric 5B