 Extremely sensitive, 20 mm diameter, compass is useful for detecting presence of magnetic field in watches, instruments, and other components. Sold by the box of 12 only. $34.50 |  Demagnetizes or magnetizes parts, tools and meters. To demagnetize, simply hold object in the center of the opening with button depressed for 3 or 4 seconds. Slowly withdraw object in a straight line and release button. To magnetize, hold the part or tool against the inside of the opening and press the button for 4 or 5 seconds and release. Opening is even large enough to accommodate cassette tapes for quick erasure. Opening measures 3" x 1-1/2" (76 x 38 mm). $157.02 |
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