12"x18" Grade A Black Granite Surface Plate

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.

Specifications

Color

Black

Material

Granite

Overall Unilateral Flatness Tol. (Decimal Inch)

±0.00005

Length (Inch)

18"

Width (Inch)

12"

Thickness (Inch)

3"

Grade

A

Number of Ledges

0