Amazon.com: Super Strong Neodymium Magnet Ring 1.5" OD x 3/4" ID x 3/4" N42 : Industrial & Scientific
Amazon.com: Ferrite Ring Magnets with Holes,OD40 x ID22 x 8mm Round Disc Donut Magnets,Circle Hole Magnets,Perfect Ceramic Circular Magnets for Crafts and DIY - Pack of 8 : Industrial & Scientific
Amazon.com: Ferrite Ring Magnet - OD1.18"(30mm) x ID0.7"(18mm) x 0.2"(5mm),Grade 8 Round Disc Donut Ceramic Magnets with Holes for Refrigerator Fridge,Industry Science,Crafts and Hobbies - 28 PCS : Industrial & Scientific
Amazon.com: Magnetic Match Rings, Magnet Matching Game STEM Learning Toy for Kids : Toys & Games
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
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
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
Neosmuk Fishing Magnet,240lb Pull Strong Hoist Ring Magnets Heavy Duty Big Rare Earth Magnet, Large Magnetfor Remover, Super Neodymium High Power Magnet.: Amazon.com: Industrial & Scientific
Amazon.com: Ferrite Ring Magnet,2.75In Dia, Heavy Duty Round Ceramic Disc Magnets with Hole for DIY Crafts Science Projects Industrial, Pack of 2 : Industrial & Scientific
Amazon.com: Ferrite Ring Magnet,2.75In Dia, Heavy Duty Round Ceramic Disc Magnets with Hole for DIY Crafts Science Projects Industrial, Pack of 2 : Industrial & Scientific
10pcs Circular Ring Magnets 3/4x1/8 - Magnetic Disc Donut DIY Crafts Holder Fastener Latches Round Circle Disk Magnet N52: Amazon.com: Industrial & Scientific
Amazon.com: Round Disc Magnets 3/8x1/8 - Magnetic Countersunk Ring 10x3mm Screw Hole Size #4 Crafting Holder Door Cabinet Fastener Closure Mechanisms (36 Pack) : Industrial & Scientific
Radial Ring Magnet - N38 0.83"OD x 3/5"ID x 3/5" Radially Oriented Magnetized Unipolar Neodymium Magnets for Electric Motor Wind Generator (N Pole Outside): Amazon.com: 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: Large Ceramic Ring Magnet,Industrial Grade 8 Ferrite Ring Magnets with Hole for Science Experiment-OD100mmxID60mmx15mm : Industrial & Scientific
Y30BH Ferrite Ring Magnet for Arts, Crafts, Model Making, DIY and Hobbies - 100mm O.D. x 50mm I.D. x 12mm Thick - 9kg Pull: Amazon.com: Industrial & Scientific
Amazon.com: Burnur Grade 8 Ceramic Ring Magnets, OD 45 mm x ID 22mm x 8 mm (Pack of 6) : Industrial & Scientific
Applied Magnets® 1 Piece 1.26" OD x 1/2" ID x 1/4" Grade N52 Neodymium Ring Magnet: Amazon.com: Industrial & Scientific
Amazon.com: 9 Pcs Fidget Magnetic Rings, Colorful Finger Magnet Rings, Decompression Finger Magnetic Toys. : Toys & Games
Eisco Labs Floating Ring Magnet Set with Wooden Base - 5 Magnets, 5.9" Height: Science Lab Education Curriculum Support: Amazon.com: Industrial & Scientific
Neosmuk Fishing Magnet,240lb Pull Strong Hoist Ring Magnets Heavy Duty Big Rare Earth Magnet, Large Magnetfor Remover, Super Neodymium High Power Magnet.: Amazon.com: Industrial & Scientific
Amazon.com: LMCMMAG Ferrite Ring Magnets - OD2.35" x ID1.25" x 10mm,Grade 12 Heavy Duty Ceramic Magnets for Industry Science,Crafts and Hobbies - 2PCS : Industrial & Scientific
