Hexagonal Shank Brazed Dry Ceramic Tile Drill Bit Marble Granite Vitrified Tile Hole Opener Rhinestone Drill Bit Rhinestone Hole Saw Is Made Of Sturdy High-Quality Alloy Material, Which Has Been Polished With Rhinestone To Meet Your Various Work Needs. Drilling Size: 5/6/8/10/12/14/16mm Matte Width: 10mm Built In Cooling Wax, Can Be Dry Or Wet Beaten, Tool Accessories