Magnetizer Box - Bar Magnet, 110/120V AC, 60Hz, Revitalizes iron, nickel, cobalt, and alnico horseshoe and bar magnets in seconds. Simply place magnets in the 25x25 mm holes and press the button to make old magnets new again
Magnet Probe, Consists of a small 19 mm length alnico bar magnet mounted in freely rotating gimbal, rotates in 3D so that all x, y and z co-ordinates, three-dimensional magnetic force fields, can be mapped, Strong plastic construction