Manufacturer Part Number: DW8256|Disc Diameter|4-1/2Center Hole Size|Center Hole Thread Size|5/8-11Flap Disc Type|Type 27Grit|80Grade|MediumAttachment Type|Threaded Arbor HoleAbrasive Type|CoatedAbrasive Material|Zirconia AluminaBacking Material|ClothDisc Color|BlueMaximum Rpm|13300Backing Weight|Material Application|Steels; Stainless SteelMachine Compatibility|For Finish|Abrasive Material Thickness (Inch)|Trimmable|Additional Information|Series|Psc Code|UNSPSC Code|27112800