Manufacturer Part Number: 801553|For Use With|Model/Series 8100Thread Size|1-1/8-16Mounting Hole Size (Decimal Inch)|0.2031Mounting Hole Size (mm)|5.1Block Length (Inch)|1-19/50Block Length (Decimal Inch)|1.3800Block Width (Inch)|1-2/25Block Height/Thickness (Inch)|1/2Block Height/Thickness (Decimal Inch)|0.5000Block Height/Thickness (mm)|12.70Distance Between Mount Hole Centers (Decimal Inch)|1.0800Distance Between Mount Hole Centers (mm)|17.50Material|AluminumDistance Between Mount Holes (Fractional Inch)|69/100Block Length|1.38in; 35mmProduct Service Code|Block Width|1.08in; 27.4mmBlock Width (Decimal Inch - 4 Decimals)|1.3780UNSPSC Code|27112100