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Grade 00 Granite Straightedge
The Grade 00 Granite Straightedge represents the pinnacle of dimensional accuracy and stability,manufactured to the most stringent international tolerances for laboratory,national standard,and ultra-high-precision master reference applications....
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Black Granite Inspection Straightedge
The Black Granite Inspection Straightedge is a precision-crafted metrology tool,designed specifically for high-accuracy verification,calibration,and layout work....



