Shaw-Magnets-Alcomax-Major-Magnet-Shaw-Magnets-50375-p-This-is-a-very-high-powered-magnet-from-Shaw-Magnets-&-is-ideal-for-measuring-flux-density-demonstration-of-the-moving-coil-galvanometer-the-deflection-of-beams-&-particles-&-for-magnetising-other-magnets-p-Shaw-Magnets-Alcomax-Major-Magnet-110-x-103-x-50mm