Manufacturer Part Number: 543021|Pad Diameter (Inch)|Backing Pad Type|Adhesive; PSAThread Size|5/16-24Shank Diameter (Inch)|Shank Length (Decimal Inch)|Thread Type|Flexible|Maximum Rpm|13000Thread Direction|Mount Type|Hook Type|Center Hole Size (Inch)|Center Hole Size (Decimal Inch)|Contents|Density|HardGrade|For Use With|Random Orbital SanderMaterial|Number Of Vacuum Holes|Quick-change Compatibility|Vacuum Holes Included|Additional Information|PSC Code|UNSPSC Code|31191506