pMAGMATE Alnico Fixture Magnet Assembly, IStyle Cylinder, 1 in dia, 12 in Length, 43834 Tap, 800Deg F, AluminumCobaltNickelppThese powerful cylindrical magnet assemblies are available in Ceramic, Alnico and Rare earth magnet material with diameters ranging from 14 to 2 in and with holding values as high as 172 poundsp.