Grizzly G9655 - 18" x 24" x 3" Granite Surface Plate, 2 Ledges

This tool room grade "B" Granite Plate has a bilateral accuracy of plus or minus .00015" 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 143 lbs.