Manufacturer Part Number: 71215|Disc Diameter|4-1/2Center Hole Size|Center Hole Thread Size|5/8-11Flap Disc Type|Type 27Grit|36Grade|Very CoarseAttachment Type|Threaded Arbor HoleAbrasive Type|CoatedAbrasive Material|Zirconia AluminaBacking Material|Poly-CottonDisc Color|BlueMaximum Rpm|13300Backing Weight|Material Application|Steels; Stainless Steel; Aluminum; Non-FerrousMachine Compatibility|For Finish|Abrasive Material Thickness (Inch)|Trimmable|Additional Information|Series|EncorePsc Code|UNSPSC Code|31191506