Manufacturer Part Number: 50606|Disc Diameter|4-1/2Center Hole Size|7/8Center Hole Thread Size|Flap Disc Type|Type 29Grit|120Grade|FineAttachment Type|Arbor HoleAbrasive Type|CoatedAbrasive Material|Zirconia AluminaBacking Material|PhenolicDisc Color|BlueMaximum Rpm|13000Backing Weight|Material Application|Steels; Stainless SteelMachine Compatibility|For Finish|Abrasive Material Thickness (Inch)|Trimmable|Additional Information|Series|Original TigerPsc Code|UNSPSC Code|31191506