Manufacturer Part Number: 7010309072|Maximum Roll Diameter (Decimal Inch)|Maximum Roll Diameter (Fractional Inch)|3/8Overall Length (Inch)|Abrasive Material|Aluminum OxideGrade|Extra FineGrit|320Pilot Hole Diameter (Decimal Inch)|Pilot Hole Diameter (Inch)|Maximum Rpm|Backing Weight|XFor Finish|Material Application|Backing Material|ClothProduct Service Code|UNSPSC Code|