超強釹圓柱形磁鐵
釹磁鐵是最新一代強力磁鐵, 其表面的磁感應強度達4000高斯以上, 為磁銅的5倍多. 本釹磁鐵為圓柱體狀, 22 dia. x 10 length mm, 28 gm, 能隔著手腕吸住另一面釹磁鐵, 能吸著重達7 - 8 kg 大鐵球. 適用於中學多種磁力實驗 當心夾手!!
.Item no : JHL 603 each pair

NEIDYMIUM Magnet cylinder
Cylinder shape neidymium magnet, 22 dia. x 10 length mm, 28 gm, neidymium is called the powerful permanent magnet nowsday, it is as strong as 5000 gross magnetic power , we can use it to pull up a 7-8 kg metal ball
Item no : JHL 603 each pair

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