DefelskoCertified Step Block Inch

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
  – imperial units
  – imperial units: (100, 200, 300, 400 and 500 mil steps)
  – imperial accuracy 1 mil

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