Manufacturer Part Number: 78006|Disc Diameter|4-1/2Center Hole Size|7/8Center Hole Thread Size|Flap Disc Type|Type 27Grit|40Grade|CoarseAttachment Type|Arbor HoleAbrasive Type|CoatedAbrasive Material|Zirconia AluminaBacking Material|PolyesterDisc Color|BlueMaximum Rpm|13300Backing Weight|Material Application|Steels; Stainless Steel; Aluminum; Non-FerrousMachine Compatibility|For Finish|Abrasive Material Thickness (Inch)|Trimmable|Additional Information|High DensitySeries|OvationPsc Code|UNSPSC Code|31191506