Metal bond Diamond pencil grinding wheel for 3~12mm glass round edging (D100H22 for 8mm glass) - Amazon.com
Amazon.com: 3 Inch 150 Grit Flat Diamond Grinding Wheel Cutter Grinder Power Tool with 1/2" Bore for Grinding Hard Alloy, Glass, Tiles and Ceramics 78x12.7x10mm : Everything Else