Starrett 85017 Superior Black 12x18x3 Granite Surface Plate Two Ledge Grade B
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DescriptionStarrett 85017 Superior Black 12 x 18 x 3 Granite Surface Plate Two Ledge, Grade B - Toolroom. 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=69 lbs Flatness Unilateral Tolerance: 0.0002in - 0.005mm