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
Samarium Cobalt. N52 is the highest grade which is currently widely and reliably available. Neodymium N52 - High Grade. Grade: N52. Neodymium Blocks. Neodymium Disks / Rods. Neodymium Cubes. Neodymium Rings.
eBay
3mm diameter x 3mm x 3mm cube +/-0.1mm tolerance Each magnet has north and south poles on opposing faces Each magnet is coated with three layers of nickel, copper and nickel to give superior corrosion resistance and provide a smooth and clean finish 3mm neodymium magnets, although small provided a strong magnetic pull at an affordable price. Their shape and size means they are very versatile; they are used in many applications including model making, crafts, packaging and manufacturing.
eBay
Neodymium magnets are an alloy of neodymium iron and boron. They have very high energy and are more powerful for their size than any other magnet material. You will find them in many industrial and household products and are ideal for crafting.
eBay
Very Strong neodymium magnets. Strong neodymium magnets. Our magnets are triple coated nickel-copper-nickel for good corrosion resistance. and these magnets are magnetized axially giving a north pole on one flat face and a south pole on the opposite face.
eBay
N35 is the industry standard grade. Neodymium disc magnets. Small & Tiny 2mm 3mm 4mm 5mm 6mm N35 N52 N55 rare earth. Samarium Cobalt. Neodymium N52 - High Grade. 6x1mm N52: 0.99lb / 16oz / 450g. 6x2mm N52: 3.04lb / 48.6oz / 1380g.
eBay
N52 magnets, strong neodymium block magnet, 28x5x2 mm magnet, rectangle rare earth magnet, super strong N52 neodymium, DIY magnet, engineering magnet, craft magnet, neodymium strip magnet, powerful mini magnet, magnetic fixing solutions.
eBay
🧲 Neodymium Fishing Magnets – Super Strong Pull Force (6KG to 160KG). Powerful Pull Force – Available from6KG to 160KG, suitable for all experience levels. Pull Force: 6KG – 160KG (varies by size). Discover the power ofpremium neodymium fishing magnets, engineered for exceptional strength, durability, and reliability.
eBay