They have a high magnetic field strength and have a high coercivity (which makes them magnetically stable). Usually surprise is an issue--they can jump out of your hands and snap together from a surprising distance before you realize what is happening.
eBay
10Pcs Powerful Magnet Strong Magnetic Hook Neodymium Magnets for Fridge Practical Load-bearing Hook Household Use Kitchen Bar
Aliexpress UK
They have a high magnetic field strength and have a high coercivity (which makes them magnetically stable). Usually surprise is an issue--they can jump out of your hands and snap together from a surprising distance before you realize what is happening.
eBay
Magnetic Hooks, Black Magnet Hooks Strong Neodymium Magnets with Hooks, Small Metal Magnetic Hooks for Refrigerator，Locker
Aliexpress UK
Samarium Cobalt. N52 is the highest grade which is currently widely and reliably available. Neodymium N52 - High Grade. Grade: N52. in NdFeB (Neodymium), SmCo (Samarium Cobalt), AlNiCo (Alcomax) and Ceramic.
eBay
Super Strong Fishing Magnet Heavy Duty Powerful Neodymium Magnet N52 with Countersunk Hole Eyebolt for Salvage Magnetic Pot Salv
Aliexpress UK
These are Genuine N52 Neodymium disc magnets. Small but very Strong! N numbers range from N27 - N52. Neodymium Magnets. Neodymium is about as common as tin or lead. Never allow magnets to jump together or to jump to steel as they will likely shatter.
eBay
ONE Two Three Sides Fishing Magnet Kit 1200lb Super Strong Neodymium Magnet With 20m Rope Powerful Combined Fishing Salvage
Aliexpress UK
Specifications: Material: Neodymium Color: Silver Size: 12 x 16 mm Package included: 12/24 x Neodymium Magnets Push Pins.
eBay
Strong Neodymium Magnet Double Side Search Magnet Hook Super Power Salvage Fishing Magnetic D48MM-D74MM Stell Cup Holder
Aliexpress UK
Item Description - N52 Block Magnets * Brand New High Quailty * * Material : NdfeB * Shape - Block Magnet * * Operating Temperature 80c VARIOUS SIZES - TOP QUAILTY MAGNETS 🧲 Free and Fast Shipping - Same Day Post if ordered before 4pm
eBay
3/5/10 PCs Super Strong Neodymium Magnet Magnetic Pushpins Sucker Thumbtack Steel Magnet Push Pin for Refrigerator Whiteboard
Aliexpress UK
They have a high magnetic field strength and have a high coercivity (which makes them magnetically stable). Although magnets can be wonderful toys and highly educational, these are 'adult' toys, andNOT for children.
eBay
Super Strong Neodymium Magnet Heavy Duty Fishing Strong Magnetic Hooks with Countersunk Hole Eyebolt Salvage Searcher Magnets
Aliexpress UK
Very Strong 20mm x 10mm x 4mm With Two 4mm Countersunk Holes, Rectangle Neodymium Magnets. N numbers range from N27 - N52. Neodymium is about as common as tin or lead. Neodymium Magnets. Never allow magnets to jump together or to jump to steel as they will likely shatter.
eBay
5/10/20Pcs Super Strong Neodymium Magnet Fridge Magnet Pushpin Sucker Thumbtack Magnetic Push Pin for Refrigerator Whiteboard
Aliexpress UK