Manufacturer Part Number: DW8321|Disc Diameter|7Center Hole Size|7/8Center Hole Thread Size|Flap Disc Type|Type 29Grit|36Grade|Very CoarseAttachment Type|Arbor HoleAbrasive Type|CoatedAbrasive Material|Zirconia AluminaBacking Material|FiberglassDisc Color|BlueMaximum Rpm|8700Backing Weight|Material Application|Steels; Stainless SteelMachine Compatibility|For Finish|Abrasive Material Thickness (Inch)|Trimmable|Additional Information|Series|Psc Code|UNSPSC Code|27112800