9" x 12" x 2" Granite Surface Plate, No Ledge
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Need it by Fri. Jan 30th?
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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. Weighs 25 lbs.