SPI Rectangle Steel Gage Block, 0.136 Inch, Grade AS-1, NIST Certified
SPI Rectangle Steel Gage Block, 0.15 Inch, Grade AS-1, NIST Certified
SPI Rectangle Steel Gage Block, 0.11 Inch, Grade AS-1, NIST Certified
SPI Center Gage, Chrome Coated Steel, 60° Angle, 1/32 to 1/14 Inch Graduation
SPI Rectangle Steel Gage Block, 0.139 Inch, Grade AS-1, NIST Certified
SPI Rectangle Steel Gage Block, 0.144 Inch, Grade AS-1, NIST Certified
SPI Rectangle Steel Gage Block, 0.125 Inch, Grade 0, NIST Certified
SPI Rectangle Steel Gage Block, 0.145 Inch, Grade AS-1, NIST Certified