Norton Abrasives MH60070039464 7 x 1/4 x 1-1/4" - Ceramic (5SG) / 80K – Freer Tool and Supply
Norton 7" Diam x 1-1/4" Hole x 3/4" Thick, K Hardness, 80 Grit Surface Grinding Wheel Aluminum Oxide, Medium Grade, 3,600 Max RPM, Vitrified Bond 66252941948 - 96822234 - Penn Tool Co., Inc
Airgas - NOR66252843328 - Norton® 4 1/2" X 1/4" X 7/8" NorZon Plus® Extra Coarse Grit Ceramic Alumina Type 27 Depressed Center Grinding Wheel