Based on this product's specifications, here are some alternatives and similar models
Straight bit Dremel 650
Summary description:
The Dremel 650 Straight Bit is designed for precision engraving and carving. With a diameter of 3.2 mm and a matching shank diameter, it is compatible with various Dremel rotary tools. Ideal for detailed work on wood, plastic, and soft metals, this bit ensures clean and accurate cuts. Its durable construction provides longevity, making it a reliable choice for hobbyists and professionals alike.