aoliihou Dry Diamond Drill Bits Set, Small Diamond Hole Saw Kit, 7 PCs, for Granite Marble Porcelain Tile Ceramic Stone Glass Hard Materials (not for Wood), Round Shank, 6mm ×2 8mm 10mm 12mm 14mm 16mm

Mengshen Glass and Tile Drill Bits Set 3-12mm 7PCS, Tungsten Carbide Titanium Coated Ceramic Concrete Drilling Tool with Hex Shank for Glass Tile Ceramic Mirror Porcelain Marble