Starrett 85013 Superior Black 12x18x4 Granite Surface Plate No Ledge Grade A
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DescriptionStarrett 85013 Superior Black 12 x 18 x 4 Granite Surface Plate No Ledge, Grade A - Inspection. Superior Black Granite Surface Plates minimize thermal expansion and have low water absorption rates to minimize rusting of precision gages. These plates have very little glare resulting to reduce eyestrain.
- Specifications:Weight=92 lbs Flatness Unilateral Tolerance: 0.0001in - 0.0025mm