Made in USA 5″ Diam Quick-Change Disc Backing Pad Medium Density, 20,000 RPM, Speed-Lok Compatible 750500LPS

3M 6" Diam, 1" Face Width, 1" Center Hole, Medium Grade, Aluminum Oxide Deburring Wheel Unitized, Medium Density 5 Grade, 6,000 RPMS/N: 60870417UNSPSC: 31191600Manufacturer Part #: 7100074494(Minimum Order Quantity=1, Package Quantity=1)