Based on this product's specifications, here are some alternatives and similar models
Board magnet MAUL 6168796
Summary description:
The MAUL 6168796 board magnet is a high-quality neodymium magnet designed for effective use on boards. With a height of 20 mm, this nickel-colored magnet offers strong holding power and durability. Each pack contains 4 pieces, making it a practical choice for organizing notes and documents. Manufactured in Germany, these magnets are ideal for both home and office use.