Manufacturer Part Number: 13-671-3|Setup Block Type|2-4-6 BlockMaterial|Hardened SteelNumber of Tapped Holes|5Number of Untapped Holes|18Parallelism|Overall 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|55-60 HRCHole Style|Includes|Additional Information|Overall Tolerance (Decimal Inch)|Sold As Pair|Matched PairUNSPSC Code|41111600