Manufacturer Part Number: 91-312-9|V Block Type|Overall Length (Inch)|1-19/32Overall Length (mm)|40.48Overall Length (Decimal Inch)|Overall Width (mm)|31.75Overall Width (Inch)|1-1/4Overall Width (Decimal Inch - 4 Decimals)|Overall Height (Inch)|1-1/4Overall Height (Decimal Inch)|Overall Height (mm)|31.75V Angle|90Minimum Capacity of V (Inch)|7/16Minimum Capacity of V (Decimal Inch)|Minimum Capacity Of V|Minimum Capacity of V (mm)|11.11Maximum Capacity of V (Inch)|13/16Maximum Capacity Of V|Maximum Capacity of V (Decimal Inch)|Maximum Capacity of V (mm)|20.64Material|Hardened SteelV Parallelism (micro m)|8.00V Parallelism (Decimal Inch)|0.0003V Accuracy (Decimal Inch)|0.000200Magnetic|NoLoad Capacity (Lb. - 3 Decimals)|Hardness|50-60 RcIncludes|(2) ClampsSquareness Per 1 Inch (micro m)|8.00Accuracy (micro m)|Features|Manufacturer's Part Number|Mount|For Use With|Style|BAdditional Information|Accuracy (Decimal Inch)|Large V Width (Inch)|Ball Bearing Diameter (Inch)|SPI Part Number|Sold As Pair|2 Block SetNumber Of Pieces|Squareness (Decimal Inch)|0.000300Large V Width (Decimal Inch)|UNSPSC Code|