Manufacturer Part Number: DW4514B5|Wheel Diameter (Inch)|4-1/2Wheel Thickness (Inch)|1/4Wheel Thickness (Decimal Inch)|Hole Size|7/8Hole Thread Size|Wheel Type|Type 27Abrasive Material|Aluminum OxideGrit|24Grade|Very CoarseMaximum Rpm|13300Connector Type|ArborBond Type|ResinoidWheel Hardness Rating|Hardness Code|RWheel Color|Black; YellowFriable|Reinforced|YesTool Compatibility|Angle GrinderMaterial Application|Series|Contents|Flexible|Specifications|Additional Information|Psc Code|UNSPSC Code|27112800