Starrett 85007 Superior Black 12x12x4 Granite Surface Plate 2 Ledge Grade AA
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DescriptionStarrett 85007 Superior Black 12 x 12 x 4 Granite Surface Plate Two Ledge, Grade AA - Laboratory. 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=61 lbs Flatness Unilateral Tolerance: 0.00005in - 0.0012mm