General description Diamond Drill Bits set includes 10 pieces of high-quality diamond-coated hole saw bits, designed for drilling through various materials such as glass, ceramics, porcelain, ceramic tiles, and marble. These bits provide excellent performance and precision, ensuring clean and accurate holes. Technical specifications Material: Metal alloy Size: 6-32mm Package Contents: 10 Diamond Drill Bits Usage For optimal performance, use lubrication (water) while drilling to prevent the diamond core drill from burning. Other information