STM 9"x12" Grade B Black Granite Surface Plate, 255100
Length (Inch): 12"
Width (Inch): 9"
Thickness (Inch): 3
Grade: B
Number of Ledges: 0
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%. These plates have no ledge.
STM 9"x12" Grade B Black Granite Surface Plate, 255100
Length (Inch): 12"
Width (Inch): 9"
Thickness (Inch): 3
Grade: B
Number of Ledges: 0
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%. These plates have no ledge.