Manufacturer Part Number: 630-4019|Setup Block Type|1-2-3 BlockMaterial|Number of Tapped Holes|5Number of Untapped Holes|18Parallelism|Overall Width (Inch)|1Overall Length (Inch)|2Overall Height (Inch)|3Squareness (Decimal Inch)|0.0002Tapped Hole Size (Inch)|3/8-16Untapped Hole Diameter (Fractional Inch)|Untapped Hole Diameter (Decimal Inch)|Hardness|Hole Style|Includes|Wooden CaseAdditional Information|PrecisionOverall Tolerance (Decimal Inch)|0.0001 to 0.0007Sold As Pair|Matched PairUNSPSC Code|