Grizzly G9651 - 12" x 18" x 3" Granite Surface Plate, No Ledge

This tool room grade "B" Granite Plate has a bilateral accuracy of plus or minus .0001" total instrument runout for precision measurements from a common surface base. Granite Plates are harder than steel, non magnetic, least responsive to temperature changes, practically maintenance free and won't corrode like steel. Available with ledges for clamping purposes or without ledges. Weighs 79 lbs.