Magnetic set for better position check - for 35 and A3 boards

Magnetic set for better position check - for 35 and A3 boards. Magnetic set consists of magnetic pad and 2 magnets (one spare). After inserting the map under the film you can place the magnet on the spot in the map where you are right now. Self adhesive, 32x28 cm (12,5 x 11") size. Not possiblo to combine with Compass Extension accessories.

Videotutorial here https://www.facebook.com/watch/?v=2032936190330992&external_log_id=e8d6bb8ede502da67fea2f8e7e7b6b36&q=magnetic%20set%20autopilot