This diamond drill bit set utilizes advanced diamond grit technology, endowing the bits with remarkable durability and drilling speed. It is especially suitable for hard materials such as porcelain tiles, glass, and ceramics. For fragile materials like glass, marble, and porcelain tiles, the precision design of the bits ensures accurate drilling and clean holes, effectively reducing the risk of cracking or damage. Whether it's a handheld electric drill or a bench drill, this set can stably fit various drilling tools, meeting the usage needs of both DIY enthusiasts and professional craftsmen. The set includes drill bits of multiple specifications, covering a wide range of materials from granite and quartz stone to ceramic tiles and acrylic, ensuring that the right bit is available for every task. These bits combine long-lasting durability with high-efficiency drilling performance. In construction or renovation projects, they not only extend the service life but also accelerate the drilling process, reducing time and effort.