Manufacturer Part Number: 52-439-246|Setup Block Type|2-4-6 BlockMaterial|Hardened SteelNumber of Tapped Holes|31Number of Untapped Holes|Parallelism|0.0001inOverall Width (Inch)|2Overall Length (Inch)|4Overall Height (Inch)|6Squareness (Decimal Inch)|0.0003Tapped Hole Size (Inch)|5/8-11Untapped Hole Diameter (Fractional Inch)|5/8Untapped Hole Diameter (Decimal Inch)|Hardness|56-60Hole Style|Includes|Additional Information|Overall Tolerance (Decimal Inch)|0.0010Sold As Pair|Matched PairUNSPSC Code|41111600