Manufacturer Part Number: 50803|Disc Diameter|4-1/2Center Hole Size|7/8Center Hole Thread Size|Flap Disc Type|Type 27Grit|40Grade|CoarseAttachment Type|ArborAbrasive Type|Abrasive Material|Aluminum OxideBacking Material|PhenolicDisc Color|BlueMaximum Rpm|12000Backing Weight|Material Application|Stainless Steel; SteelMachine Compatibility|Right Angle GrinderFor Finish|Abrasive Material Thickness (Inch)|Trimmable|Additional Information|Series|Tiger Big CAT HDPsc Code|UNSPSC Code|