12 x 18 Superior Red Granite Surface Plate, 4" Thickness, B Grade, No Ledge
Best surface hardness and wear resistance - The highest percentage of quartz crystals of any granite plate.
Comparable to black granite plates while outwearing them as much as 5 to 1.
Meets or exceeds 50 lb per square foot (24kg per 1,000 sq. cm) load bearing specifications. Available in 100 lb (45kg) test series.
Meets or exceeds U.S. Federal Specification GGG-P-463c and ASME B89.3.7 2013 for flatness.
Packed one per crate with skids for forklift handling.
Quality and economy combined.
Smooth, jewel-like quartz bearing points protect accuracy and finish of both the surface and the tools used on it.
Standard-size plates are mounted on resilient support pads, providing isolation from normal vibration and a non-distorting 3-point suspension.