Norton Diamond Blade Cup Wheel, Clipper Classic Diamond Cup Type 27 Grinding Wheel, Single 5" Grinder Disc for Concrete, Pack of 1: Amazon.com: Tools & Home Improvement
Norton Diamond Cup- Double Row 4-in Diamond 24-Grit Cup Wheel in the Abrasive Wheels department at Lowes.com
Norton 6" Diam x 1-1/4" Hole x 1/2" Thick, 220 Grit Surface Grinding Wheel Diamond, Type 1A1, Very Fine Grade, Resinoid Bond 69014192779 - 08701732 - Penn Tool Co., Inc