Manufacturer Part Number: KP65639|Disc Diameter|2Center Hole Size|Center Hole Thread Size|Flap Disc Type|FlexibleGrit|40Grade|CoarseAttachment Type|Quick-Change Type RAbrasive Type|CoatedAbrasive Material|Zirconia AluminaBacking Material|NylonDisc Color|BlueMaximum Rpm|30000Backing Weight|Material Application|Steels; Stainless Steel; Cast IronMachine Compatibility|For Finish|Abrasive Material Thickness (Inch)|Trimmable|Additional Information|Series|G13Psc Code|UNSPSC Code|31191506