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LMCMMAG Ferrite Ring Magnets - OD2.35 X ID1.25 X 10Mm,Grade 12 Heavy Duty Ceramic Magnets For Industry Science,Crafts And Hobbies - 2PCS

Saysurey 4 Pcs Large Ferrite Ring Magnets OD2.36 X ID1.26 X 10mm Ceramic Round Magnets With Hole Round Disc Donut For DIY Science Projects Classroom

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Kewanqi Ferrite Magnet Ring OD2.4 X ID1.3" X 0.4", Grade C8 Ceramic Magnets For Industry Science Experiment,Crafts And Hobbies-2Pcs

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