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【SIZE】The ceramic hard ferrite magnets with hole measures OD:120mm x ID:60mm x 20mm(4.72x2.36x0.78) 【POWERFUL】Made of the highest grade of ceramic

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MIN CI 50Pcs Strong Ring Neodymium Magnets with Hole, Small

Premium Quality: 40pcs ring ferrite magnets with holes, Practical size - OD: 32mm, ID: 18mm, Thickness: 5mm, ready to be used circle magnets for all

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1/2/4Pcs Ferrite Ring Magnets for Crafts Round Magnets with Hole Bulk OD 21mm x ID 7mm Thickness 5mm Circle Magnets with Hole - AliExpress