Manufacturer Part Number: N30444|Wheel Diameter (Inch)|4-1/2Wheel Thickness (Inch)|1/8Wheel Thickness (Decimal Inch)|Hole Size|7/8Hole Thread Size|Wheel Type|Type 27Abrasive Material|Ceramic AluminaGrit|24Grade|CoarseMaximum Rpm|13580Connector Type|ArborBond Type|Wheel Hardness Rating|Hardness Code|Wheel Color|Friable|Reinforced|Tool Compatibility|Material Application|Series|Contents|Flexible|Specifications|Additional Information|Psc Code|UNSPSC Code|23131503