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
Slide, Pre-cleaned slides with one frosted end are 75mm x 25mm, 1.3mm thick, and are packaged in boxes of 72. Made of quality sheet glass, with ground edges. Frosted end is designed for easy marking and organization of slides
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