Ferrite Ring Magnets 18 PCs - Round Disc Donut Magnets
Ferrite Ring Magnets with Holes - 1.26 Inch (32mm
【PREMIUM QUALITY】 - Demagnetization resistance, corrosion resistance and oxidation resistance. Outer Diameter is 70mm(2.75), Internal Diameter is
Ferrite Ring Magnet,2.75In Dia, Heavy Duty Round Ceramic Disc Magnets with Hole for DIY Crafts Science Projects Industrial, Pack of 2
LMCMMAG Ferrite Ring Magnets - OD2.35 x ID1.25 x 10mm,Grade 12 Heavy Duty Ceramic Magnets for Industry Science,Crafts and Hobbies - 2pcs
1/2/4Pcs Ferrite Ring Magnets for Crafts Round Magnets with Hole
TSUYA Ferrite Ring Magnets for Crafts, Round Magnets
Ceramic Ferrite Round & Disc Magnets [Sales wholesale custom
Tsuya Ferrite Ring Magnets for Crafts, Round Magnets with Hole Bulk 40 Pcs, 0.83 inch (21mm) Circle Magnets with Hole in Center for Experimenting
1pcs Ring Ferrite Magnet 100x10 mm Hole 60mm Permanent magnet