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. They are strong enough that they can fly into each other or to a piece of iron or steel with such velocity that they can break and send sharp 'shrapnel' flying about!
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4/8Pc Set Single Magnet Cabinet Catches Pressure Push To Open Invisible Furniture Cupboard Wardrobe Door Stopper Closer Hardware
Aliexpress UK
Samarium Cobalt. N52 is the highest grade which is currently widely and reliably avaialbe. Neodymium N52 - High Grade. Grade: N52. Neodymium Blocks. Neodymium Disks / Rods. Neodymium Cubes. Neodymium Rings.
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300RPM 20KW 30KW 50KW 100KW 96V 220V 380V Rare Earth NdFeB Single /Three Phase Alternator Electric Permanent Magnet Generator
Aliexpress UK
When magnetising two Neodymium magnets together, safely slide magnets together to avoid high impacts. These magnets are incredibly strong and never fail to impress. The magnets are coated in four layers of Nickel, Copper and Boron to enhance the lifespan of the magnet and the coating also provides a smooth finish.
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20/1Set Strong Magnetic Cabinet Catches Ultra-Thin Door Magnets Stops Invisible Adhesive Drawer Door Closer Latch for Furniture
Aliexpress UK
Strong Fasteners 25x8x2 mm N52 grade neodymium block small thin rectangle Fasteners. Shape - Block Fasterners . Material : NdfeB.
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Magnet Cabinet Door Catch Zinc Alloy Furniture Door Stopper Magnetic Catch Latch Ultra for Closet Cupboard Furniture Hardware
Aliexpress UK
Material:Neodymium magnet.
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5000W 8000W 10KW AC Generator 50Hz Wind Hydraulic Permanent Magnet Brushless Generator Pure Copper Wire Household Use 220V/230V
Aliexpress UK
Grade: N35. Magnetic blackboard whiteboard fixed file drawings. Models piling, you can use small magnets to connect two widgets. Studio, bulk magnet can be used to adsorb screws and other parts, even wrenches and other tools.
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10 Pair Strong Magnetic Name Badge Holders with Steel Back Plate Name Tags/ID Badge Magnets Fastener with Adhesive
Aliexpress UK
They are also available with the north pole on the non-adhesive side. Coated with three layers of nickel, copper and nickel to reduce corrosion and provide a smooth finish.
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Premium Material 5KW 10KW 20KW 220V Single Phase Alternator High RPM Permanent Magnet Generator With VFD Motor Household Load
Aliexpress UK
These small rectangular Neodymium magnets are magnetised between the two 10mm x 5mm rectangular faces and provide a maximum pull of 1.1kg. Every magnet has a triple coating of nickel, copper and nickel again to prevent against corrosion.
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100KW 50KW 80KW 200KW Low Noise Low RPM 50HZ 220V 380V 3Phase Motor Alternator Electric Permanent Magnet Generator With Motor
Aliexpress UK