Manufacturer Part Number: NB-K8|Chuck Diameter (mm)|8inChuck Diameter (Inch)|8; 8inChuck Diameter (Decimal Inch)|Minimum External Chucking Diameter|0.29inMaximum External Chucking Diameter|3.5inMinimum Internal Chucking Diameter|2.44inMaximum Internal Chucking Diameter|7.48inBase Width|10.63inBase Diameter|10.63inGripping Force (Lb.)|Gripping Force (kg)|Minimum External Chucking Diameter (Decimal Inch)|0.2900Minimum External Chucking Diameter (mm)|Maximum External Chucking Diameter (mm)|Maximum External Chucking Diameter (Decimal Inch)|3.5000Minimum Internal Chucking Diameter (mm)|Minimum Internal Chucking Diameter (Decimal Inch)|2.4400Maximum Internal Chucking Diameter (mm)|Maximum Internal Chucking Diameter (Decimal Inch)|7.4800Through Hole Size (Decimal Inch)|2.3600; 2.36inJaw Stroke (mm)|Jaw Stroke (Decimal Inch)|Repeatability (mm)|Repeatability (Decimal Inch)|Base Width/Diameter (mm)|Base Width/Diameter (Decimal Inch)|10.6300Overall Height (mm)|2.56inOverall Height (Decimal Inch)|2.56in; 2.5600PSC Code|UNSPSC Code|Bolt Hole Spacing (mm)|Bolt Hole Spacing (Decimal Inch)|6.85inBase Length (mm)|