The Topps tiles 7mm Porcelain Diamond Tile Drill Bit is a high-quality tool designed specifically for drilling tiles. Made of durable diamond material, this drill bit is perfect for precision drilling with a 7mm diameter. The round shank type ensures easy and secure fitting in the chuck, while the hole saw bit design makes it ideal for creating clean and accurate holes in various types of tiles. Manufactured in China, this drill bit is a reliable and efficient tool for any tiling project.