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Starrett Weber Gauge Block Set 81 pcs Model RS81.A1, Steel, Certificated NIB
Starrett Weber Gauge Block Set 81 pcs Model RS81.A1, Steel, Certificated NIB
Starrett Weber Gauge Block Set 81 pcs Model RS81.A1, Steel, Certificated NIB
Starrett Weber Gauge Block Set 81 pcs Model RS81.A1, Steel, Certificated NIB
Starrett Weber Gauge Block Set 81 pcs Model RS81.A1, Steel, Certificated NIB
Starrett Weber Gauge Block Set 81 pcs Model RS81.A1, Steel, Certificated NIB
Starrett Weber Gauge Block Set 81 pcs Model RS81.A1, Steel, Certificated NIB
Starrett Weber Gauge Block Set 81 pcs Model RS81.A1, Steel, Certificated NIB
Starrett Weber Gauge Block Set 81 pcs Model RS81.A1, Steel, Certificated NIB
Starrett Weber Gauge Block Set 81 pcs Model RS81.A1, Steel, Certificated NIB
Starrett Weber Gauge Block Set 81 pcs Model RS81.A1, Steel, Certificated NIB

Starrett Weber Gauge Block Set 81 pcs Model RS81.A1, Steel, Certificated NIB

Shipping calculated at checkout.

I am the original owner and I purchased it in 2001 and never used them on a job I bid and lost.  These have been in my temperature-controlled inspection room, unopened and unused for 25 years. 

System of Measurement

Inch
Shape

Rectangle
Gauge Block Grade

0
Number of Pieces

81
Manufacturer Model Number

RS81.A1
Includes

19 blocks in sizes 0.050" to 0.950" in 0.05" increments
49 blocks in sizes 0.101" to 0.149" in 0.001" increments
Four blocks in sizes 1.000" to 4.000" in 1" increments
Nine blocks in sizes 0.1001" to 0.1009" in 0.0001" increments
Material

Steel
Specifications Met

ASME B89.1.9
Certificate Type

Calibration Certificate Traceable to NIST
Manufacturer

Starrett
Country of Origin

United States