Based on my observations, this drill bit is perfect for industrial and scientific purposes. The diamond granite ceramic drilling extractor effortlessly drills through tough materials like granite and ceramic, making my job easier and faster. The bit's durability ensures it will be a long-term investment for any DIY enthusiast or professional .However, the cost may be a bit steep for those on a tight budget. Overall, I highly recommend this product for anyone in need of a reliable and efficient drilling extractor..