![CMS Magnetics® Grade N52 Super Strong Neodymium Magnet Ring OD1.26" x ID 1/2" x 3/8" - Rare Earth Magnet Ring for Classroom, Science Project and DIY Applications - One Pack: Amazon.com: Industrial CMS Magnetics® Grade N52 Super Strong Neodymium Magnet Ring OD1.26" x ID 1/2" x 3/8" - Rare Earth Magnet Ring for Classroom, Science Project and DIY Applications - One Pack: Amazon.com: Industrial](https://m.media-amazon.com/images/I/71fLOZX0fBL.jpg)
CMS Magnetics® Grade N52 Super Strong Neodymium Magnet Ring OD1.26" x ID 1/2" x 3/8" - Rare Earth Magnet Ring for Classroom, Science Project and DIY Applications - One Pack: Amazon.com: Industrial
![Realth Ring Neodymium Disc Magnets with Holes 2 Pack Round Applied Magnets for Crafts Arts Science Project and Automatic Transmission(MC822): Amazon.com: Industrial & Scientific Realth Ring Neodymium Disc Magnets with Holes 2 Pack Round Applied Magnets for Crafts Arts Science Project and Automatic Transmission(MC822): Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61PphBtF5SL._AC_UF1000,1000_QL80_.jpg)
Realth Ring Neodymium Disc Magnets with Holes 2 Pack Round Applied Magnets for Crafts Arts Science Project and Automatic Transmission(MC822): Amazon.com: Industrial & Scientific
![N50 Neodymium Ring Magnet - 8.16mm O.D x 3.5mm I.D x 4.3mm thick c/w 6mm dia x 0.8mm Outer Step - 2.64lbs Pull N50 Neodymium Ring Magnet - 8.16mm O.D x 3.5mm I.D x 4.3mm thick c/w 6mm dia x 0.8mm Outer Step - 2.64lbs Pull](https://www.first4magnets.com/images/8-16mm-o-d-x-3-5mm-i-d-x-4-3mm-thick-n50-neodymium-ring-magnets-c-w-6mm-dia-x-0-8mm-outer-step-1-2kg-pull-p4100-2425_image.jpg)
N50 Neodymium Ring Magnet - 8.16mm O.D x 3.5mm I.D x 4.3mm thick c/w 6mm dia x 0.8mm Outer Step - 2.64lbs Pull
![CMS Magnetics® Super Strong Neodymium Magnets Ring N45 1-1/2"OD x 1.065"ID x 3/8" - Rare Earth Ring Magnet - Science Projects School and Magnetism Education: Amazon.com: Industrial & Scientific CMS Magnetics® Super Strong Neodymium Magnets Ring N45 1-1/2"OD x 1.065"ID x 3/8" - Rare Earth Ring Magnet - Science Projects School and Magnetism Education: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/71KE8fWWZ9L.jpg)
CMS Magnetics® Super Strong Neodymium Magnets Ring N45 1-1/2"OD x 1.065"ID x 3/8" - Rare Earth Ring Magnet - Science Projects School and Magnetism Education: Amazon.com: Industrial & Scientific
![Neodymium Ring Magnets | Buy Neodymium Magnets For Your Magnet Science Fair Projects & Experiments at Teachersource.com Neodymium Ring Magnets | Buy Neodymium Magnets For Your Magnet Science Fair Projects & Experiments at Teachersource.com](https://www.teachersource.com/images/popup/m187.jpg)