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Compass 5/8", Pk/4

Compass 5/8", Pk/4

Product Code: FRE-11
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Detect slight magnitism is every day object such as metals, watches, etc. When compasses are arranged around a magnet, needles will align themselves with magnetic field. Includes 4 small 5/8" (16mm) diameter compasses for tracing magnetic lines of force.

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