3M 2-1/2″ Diam, 1/2″ Face Width, 1/4″ Center Hole, Medium Grade, Aluminum Oxide Deburring Wheel Unitized, Hard Density 7 Grade, 18,100 RPM 7010364916

3M 5/8" Max Roll Diam x 1" OAL, 60 Grit Ceramic Straight Cartridge Roll 3/16" Pilot Hole Diam, Medium Grade, X Weighted Cloth Backing, 16,000 Max RPMS/N: 66010331UNSPSC: 31191516Manufacturer Part #: 7010309065(Minimum Order Quantity=100, Package Quantity=1