Manufacturer Part Number: N03531|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|FiberglassDisc Color|BlueMaximum Rpm|13000Backing Weight|XMaterial Application|Steels; Stainless SteelMachine Compatibility|For Finish|Abrasive Material Thickness (Inch)|Trimmable|Additional Information|High DensitySeries|R822Psc Code|UNSPSC Code|31191506