Hornby Triang S5447 Traction Magnet x 2 - Remagnetised. Please find for sale two Hornby Triang S5447 traction magnets. Both are in good clean condition and have benefited from being remagnetised. Removed from a R357 Class 31. Please see Hornby Triang service sheet 66 (April 1968) for further details. Please see all photos to help with description. UK delivery only. Thanks for looking.