ESU HO 51965 permanent Magnets for Märklin 3015, ET800, ST800, Gauge I

Permanent magnet for Marklin3015, ET800, ST800, Gauge 1 engine. For the retrofit of old Marklin all-current motors you need a permanent magnet. It replaces the present field winding, and in combination with a LokSound - or LokPilot decoder, helps to make your loco run astonishingly smooth.