Manufacturer Part Number: 78.1/2Z0.1/8Z.2|Accessory Type|Shrink-Fit Extension without Set Screw (Telescope)For Use With|Compatible Shrink-Fit Unit|Shank Diameter|Shank Diameter (mm)|Features|Compatible Taper|Shrinking Diameter Range (mm)|Shrinking Diameter Range (Inch)|0.31 to 1/2Gage Shank Diameter (mm)|Gage Shank Diameter (Inch)|1/2Gage Capacity (mm)|Gage Capacity (Inch)|1/8Gage Head Diameter (Decimal Inch)|0.3100Gage Head Diameter (mm)|Gage Overall Length (Decimal Inch)|6.3000Gage Overall Length (mm)|Thread Size|Height (Decimal Inch)|Additional Information|Compatible Tool Material|Thread Length (mm)|Width (Decimal Inch - 4 Decimals)|Width (mm - 2 Decimals)|Diameter (mm)|Length (mm)|Product Service Code|UNSPSC Code|