Based on this product's specifications, here are some alternatives and similar models
Rotary Tool Bit Dremel 7144
Summary description:
The Dremel 7144 rotary tool bit features a maximum rotational speed of 25000 RPM. With a shank diameter of 3.2 mm and a length of 46 mm, it is designed for precision work. The bit has a diameter of 2.4 mm and comes in a pack of 2 pieces, making it ideal for various applications in crafting and DIY projects.