Manufacturer Part Number: DWA4530|Wheel Diameter (Inch)|4Wheel Thickness (Inch)|Wheel Thickness (Decimal Inch)|0.0450Hole Size|5/8Hole Thread Size|Wheel Type|Type 27; Type 42Abrasive Material|Aluminum OxideGrit|60Grade|MediumMaximum Rpm|15200Connector Type|ArborBond Type|ResinoidWheel Hardness Rating|Hardness Code|Wheel Color|Black; YellowFriable|Reinforced|YesTool Compatibility|Angle GrinderMaterial Application|Series|Contents|Flexible|Specifications|Additional Information|Psc Code|UNSPSC Code|27112800