Defelsko Certified Step Block Metric  - STDB1M

Ideal for checking calibration and operation of ultrasonic thickness gages and are an important component in fulfilling both ISO and in-house quality control requirements.

• Composition - 1018 steel
  - metric units: (2.5, 5, 7.5, 10 and 12.5 mm steps)
  - metric accuracy ±0.02 mm

• All Certified Step Blocks are supplied with a certificate of calibration showing traceability to NIST/NPL.