Instantly magnetize or demagnetize small surgical instruments and small steel parts that are over 1.3" in length and 0.125" in diameter. No batteries or electricity required. The box is high quality molded ABS plastic, impact resistant and cadmium free. Dimensions are 2" x 2" x1" The innovative step design lets you control the level of magnetism imposed on your tools.

To magnetize a tool — Insert tool into the "+" opening and slide back and forth. Continue this procedure until the desired level of magnetism is reached.

To demagnetize a tool — Insert tool at the lowest "-" opening. Slide back and forth. Continue the procedure, moving up to the next step until the tool is completely demagnetized.