Viking Mountain Tool Works 8 inch diameter CBN Grinding Wheel 1.5 inch Face with 1 inch side, Square corners 180 Grit 5/8 inch arbor hole - VMTW, L.L.C.
Rob Cosman's CBN Grinding Wheel: 8 inch – RobCosman.com
Mega Square 8" CBN Wheel 350 Grit
1/8" CBN Borazon Wheel for Oregon Grinder, 5-1/2" x 7/8" – American Forestry
Rob Cosman's CBN Grinding Wheel: 8 inch – RobCosman.com
Amazon.com: UF-SHARP CBN Grinding Wheel 8 inch 1000 Grit, 1" Wide, 5/8" Arbor, Suitable for All Kinds of 8-inch Bench Grinders (1000 Grit) : Industrial & Scientific
CBN Grinding Wheel, Dia 150 x 25.4mm Wide with 25mm Arbor,Diamond Grinding Wheel - Walmart.com