Manufacturer Part Number: 42106|Disc Diameter|4Center Hole Size|5/8Center Hole Thread Size|Flap Disc Type|Type 27Grit|120Grade|FineAttachment Type|Arbor HoleAbrasive Type|CoatedAbrasive Material|Zirconia AluminaBacking Material|Poly-CottonDisc Color|BlueMaximum Rpm|15300Backing Weight|Material Application|Steels; Stainless SteelMachine Compatibility|For Finish|Abrasive Material Thickness (Inch)|Trimmable|Additional Information|Series|Z3 eXtraPsc Code|UNSPSC Code|31191506