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.ca:
Ring Magnets - Neodymium Magnets - SuperMagnetMan
Amazon.com: Ferrite Ring Magnets with Holes - 1.2 Inch (31mm) Round Disc Donut Magnets - Circle Hole Magnets - Perfect Ceramic Circular Magnets for Crafts and DIY : Industrial & Scientific
Amazon.com: Creative Hobbies 29 Piece Strong 1.25 Inch Round Ceramic Ferrite Ring Magnets, with 3/8" ID Center Hole x 3/16" Thickness - Ideal for Use on Refrigerator, Whiteboard, Arts Science Project, Crafts :
Amazon.com: Ferrite Ring Magnets with Holes - 1.2 Inch (31mm) Round Disc Donut Magnets - Circle Hole Magnets - Perfect Ceramic Circular Magnets for Crafts and DIY : Industrial & Scientific
Ferrite (Ceramic) Ring Magnet | Eclipse Magnetics
Master Magnet 3/4 in. Ceramic Ring Magnet (6-Pack) 97854 - The Home Depot
Magnets - Ferrite Rings - Available in a variety of sizes - Crafty Arts
Neodymium Ring Magnets (12pk)
Donut Refrigerator Magnet
Shop Our Neodymium Ring Magnet Selection | totalElement
Amazon.com: Ferrite Ring Magnets with Holes - 1.26 Inch (32mm) Round Disc Donut Magnets for Refrigerator Fridge, Science Projects, Crafts, Around The Office (Pack of 40) : Industrial & Scientific
N42 Neodymium Ring Magnet - 60mm O.D. x 40mm I.D. x 5mm thick - 77.17lbs Pull