Product Details: Manufacturer Part Number: TG12MDS1|Jaw Shape|SquareJaw Interface Type|Tongue & GrooveMaterial|SteelMaximum Compatible Chuck Diameter (mm)|12.00Maximum Compatible Chuck Diameter (Decimal Inch)|12.0000Minimum Compatible Chuck Diameter (mm)|Minimum Compatible Chuck Diameter (Decimal Inch)|Distance Between Mount Hole Centers (Decimal Inch)|2.5000Distance Between Mount Hole Centers (mm)|63.50Tongue Width (Decimal Inch)|0.7500Tongue Length (Decimal Inch)|Tongue Width (mm)|19.10Fastener Size (mm)|Fastener Size (Decimal Inch)|0.5000Key Size (Decimal Inch)|Slot Width|12.70Slot Width (Decimal Inch)|0.5000Groove Width (mm)|12.70Groove Width (Decimal Inch)|0.5000Tapped Hole Size|Overall Height (Decimal Inch)|3.0000Overall Height (Mm - 5 Decimals)|76.20Overall Length (Inch)|5-1/2Overall Length (Decimal Inch)|5.5000Overall Length (mm)|Material Grade|1018Overall Width/Diameter (Decimal Inch)|2.0000Overall Width/Diameter (Inch)|2Maximum Internal Chucking Diameter (Decimal Inch)|Maximum Internal Chucking Diameter (mm)|Minimum Internal Chucking Diameter (mm)|Minimum Internal Chucking Diameter (Decimal Inch)|Maximum External Chucking Diameter (Decimal Inch)|Maximum External Chucking Diameter (mm)|Minimum External Chucking Diameter (mm)|Minimum External Chucking Diameter (Decimal Inch)|Includes|Overall Width/Diameter (mm)|Number Of Jaws|3UNSPSC Code|