'Magic Cube' Magnetizer - Demagnetizer for Tools, Parts - Color May Vary One of the handiest accessories in any workshop! Can both add and remove magnetic charges as needed Strong permanent magnets rearrange magnetic domains in hand tools, parts & other iron objects Simple to use - insert tool or object in labeled slot, move back/forth or circular motion briefly Magnetize screwdrivers & driver bits so they'll hold unto screws, avoid dropped/lost parts Demagnetize tools or small parts that have unwanted magnetic 'cling'; ABS body, 2" x 2", 3 oz