Checkline NIST-Traceable Steel Test Blocks
3 Sizes Available: 0.040 - 0.100 inches - 0.250 - 1.000 inches - 0.100 - 0.500 inches
Includes NIST Report and Test Data
Precision Machined and Finished
The Checkline NIST-Traceable Steel Test Blocks allow you to conveniently check the accuracy of ultrasonic thickness gauges. All blocks are made from ultrasonically tested material and include NIST traceable Certification Reports and hardwood storage cases