![Rex OTK-AN Analog O-Ring Hardness Kit Rex OTK-AN Analog O-Ring Hardness Kit](https://www.abq-durometer.com/images/products/rex-otk-an-analog-o-ring-hardness-kit.jpg)
The Analog Complete O-Ring Hardness Kit is the most convenient and accurate way to perform repeatable hardness (durometer) testing on thin materials as thin as 0.050.
The Rex OTK-AN Analog O-Ring Hardness Kit is the most convenient and accurate way to perform repeatable hardness (durometer) testing on thin materials as thin as 0.050.
The Rex OTK-AN Analog O-Ring Hardness Kit is comprised of the following items:
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