Based on this product's specifications, here are some alternatives and similar models
Diamond Hollow Annular Bit Wolfcraft 7957000
Summary description:
The Wolfcraft 7957000 diamond hollow annular bit is designed for precise drilling in hard materials such as tiles and concrete. Its diamond coating ensures durability and efficient cutting, while the hollow design allows for clean and accurate holes. Ideal for professional use, this bit offers excellent performance and longevity, making it a valuable addition to any toolkit.