Manufacturer Part Number: 29442RWB|Disc Diameter|4-1/2Center Hole Size|7/8Center Hole Thread Size|Flap Disc Type|Type 29Grit|40Grade|CoarseAttachment Type|ArborAbrasive Type|CoatedAbrasive Material|Zirconia AluminaBacking Material|Disc Color|Maximum Rpm|Backing Weight|Material Application|Machine Compatibility|For Finish|Abrasive Material Thickness (Inch)|Trimmable|Additional Information|Series|Psc Code|UNSPSC Code|