SPI Gage Block Set – Rectangular Blocks, 81 pc. Set, Grade 0 – 30-910-4

• Grade 0 and Grade AS-1 accuracy meets or exceeds Federal Specifications B89.1.9-2002
• Certificate of calibration traceable to NIST included in each set and each individual block
• Grade economy shop accuracy approx. .00005″
• All sets are supplied in attractive fitted case

Tolerances in Microinches

81 pcs. Set

• 9 Blocks – 0.1001 thru 0.1009″ 0.0001″ steps
• 49 Blocks – 0.101 thru 0.149″ 0.001″ steps
• 19 Blocks – 0.050 thru 0.950″ 0.050″ steps
• 4 Blocks – 1.000 thru 4.000″ 1.000″ steps

Ordering Guide:

See all SPI Gage Block Sets – Rectangular Blocks