STM Black Granite Surface Plates
- These plates are made of the highest quality – True Black – Fine Grained – Non-porous – Jewel Hardness – Granite available to give years of long lasting service.
- Specifications: Compressive Strength 7329 lbs. / sq.in,
- Water Absorptivity 0.13%.
- Grade B Tool Room have no ledge.
- Grade A - Inspection
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For more info, visit www.p65warnings.ca.gov.
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