Manufacturer Part Number: 42302|Disc Diameter|4-1/2Center Hole Size|7/8Center Hole Thread Size|Flap Disc Type|Type 27Grit|40Grade|CoarseAttachment Type|ArborAbrasive Type|CoatedAbrasive Material|Zirconia AluminaBacking Material|CottonDisc Color|Maximum Rpm|13300Backing Weight|Material Application|Carbon Steel; Metal; Stainless SteelMachine Compatibility|Right Angle GrinderFor Finish|Abrasive Material Thickness (Inch)|Trimmable|NoAdditional Information|Series|Z3Psc Code|UNSPSC Code|