Norton 7″ Diam x 1-1/4″ Hole x 1″ Thick, H Hardness, 46 Grit Surface Grinding Wheel Aluminum Oxide, Type 5, Coarse Grade, 3,600 Max RPM, Vitrified Bond, One-Side Recess 66252942689

DeWALT 60 Grit, 6" Wheel Diam, Type 27 Depressed Center Wheel Aluminum Oxide, Resinoid Bond, 10,100 Max RPMManufacturer Part #: DW8426HS/N: 34948554UNSPSC: 23131503UPC: 885911098182(Minimum Order Quantity=1, Package Quantity=1)Specifications:Wheel Diameter