Glass Cutting Disc, 4 inch Ultra-Thin Diamond Cut Off Wheels for Angle Grinder, with 20mm to 5/8 Inch Inner Aperture Conversion Gasket, Glass Cutting Saw Blade Grinding Disc, 4" x 0.04" x
Glass Cutting Disc for Angle Grinder, 1mm Diamond Saw Blade Porcelain Saw Wheel for Smooth Cutting and Grinding of Jade, Crystal, Bottles, Ceramic, Tile (3PCS) - Amazon.com