Item: G9650 | Model: G9650
        
        
        
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 38 lbs.                    
                        
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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 38 lbs.