Neodymium Ring Magnets with Hole - Magnetic Bore 12 mm - Round Ring Magnet 50 mm x 8 mm Disc Magnets Strong - Flat Round Strong : Amazon.de: Stationery & Office Supplies
30mm Rund (Magnet-Slot + optional Miniature-Slot)-(10x) – ZZGames.dk
1005 | No Brand Rund magnet, Neodym, 10 x 5mm | Elfa Distrelec Norge
Ailiebe Design® 40 x Neodym Magnete 10x2 mm extra stark N52 Büro Rund Magnet 4270002072350 | eBay
Pack of 50 Extremely Strong Magnets, 15 x 2/10 x 2/Round, Neodymium Magnet Mini Magnets for Refrigerator, Whiteboard, Pin Board, Collecting Metal Pins or Metal Widgets : Amazon.de: Stationery & Office Supplies
Neodymium Rubber Coated Round Base Magnet w/ Female Thread