Fowler 81 Piece Precision Gage Block Sets
- Highest degree of accuracy when used at a temperature of 68°F (20°C).
- Each block serialized, regardless of the grade, for identification when block is re-calibrated and certified at a later date.
- Alloy steel with Rockwell hardness of 65.
- Sets are calibrated to meet or exceed federal specifications GGG-G-15C.
Grade A+
Supplied with a certificate of calibration traceable to NIST.
Grade "B"
Supplied with a certificate of accuracy only.
For more info, visit www.p65warnings.ca.gov.