The magnetic needle on a non-magnetic pillar and sturdy base is perfect for positioning a magnetic needle (available separately) to create a tool for demonstrating and studying magnetism. Recommended for use with magnetic needles (75 mm SKU#: PH0817B; 62 mm SKU#: PH0817A; 100 mm SKU#: PH0817C). Size: 2.25"D x 4.5"H.
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