The SB Series of steel calibration step blocks allow you to conveniently check the accuracy of ultrasonic thickness gauges. All blocks are made from 1018 Steel and include NIST-Traceable Calibration Certificate and a hardwood storage case.
Includes NIST Traceable Calibration Cert
Precision Machined and Finished
Includes Wooden Storage Box
Made from 1018 Steel
What's In The Box:
(1) 5 Step Steel Calibration Test Block (0.100, 0.200, 0.300, 0.400, 0.500 inch