Granite Surface Plate Pink No Ledge Grade B Toolroom Surface Size (In.) 48 x 96 Surface Size (mm) 1200 x 2400 Thickness (In.) 10 Thickness (mm) 250 Flatness Unilateral Tolerance (In.) 0.002000 Flatness Unilateral Tolerance (mm) 0.0508 Weight (Lbs.) 4400 Weight (Kilograms.) 1996