Strong bar magnets do not lose their attractiveness over time. MIKEDE Black Magnets, 30 Pack Strong Neodymium Qatar ABOUT MIKEDE STRONG RECTANGULAR MAGNETS 1. Product introduction Strong bar magnets are coated with three layers of black epoxy+ nickel+ copper, so they provides a shiny and rust resistant protection for the magnets. 👉𝗛𝗶𝗴𝗵 𝗤𝘂𝗮𝗹𝗶𝘁𝘆 𝗖𝗼𝗮𝘁𝗶𝗻𝗴: Neodymium bar magnets are made of Ni+Cu+Ni three-layer coatings, which have stable performance in different environments. Rare earth bar magnets are great for crafts, science classroom, whiteboard,metal cart, fridge, curtains, cruise ship door, workshop woodworking, garages, storehouse, kitchens, offices, DIY projects, and more. 3. Product specifications Our neodymium bar magnets is more magnetic than ferrite magnets, magnets bar have greater suction, the magnetism does not lose its attraction over time, and are available in a variety of sizes to meet your needs. 50Pcs Strong Neodymium Magnets Bar, 20x5x2mm Heavy Duty Rare Earth... Strong neodymium bar magnets undergo strict inspection before packaging to ensure that the product is intact and durable. With Holes Yes. The waterproof bar magnet has excellent uniform electrodeposition performance, greatly reducing residual dust. Material Strong magnet-A3 steel-304 ring. 👉𝗘𝗮𝘀𝘆 𝘁𝗼 𝗶𝗻𝘀𝘁𝗮𝗹𝗹: The package includes 4 pack double-sided stickers and powerful neodymium magnet bars, which you can use on non-metallic items. 👉𝗠𝘂𝗹𝘁𝗶𝗽𝘂𝗿𝗽𝗼𝘀𝗲 𝗠𝗮𝗴𝗻𝗲𝘁𝘀 𝗕𝗮𝗿: Super strong neodymium bar magnets rust-free mirror surface does not leave marks or stains when removed from sheet metal. Strip magnets suitable for refrigerator magnets, Shower Door, Work, Office, Whiteboard, Scientific, Craft, etc. Aazon.co: IKEDE 12 Pack agnetic Hooks, 40LB Heavy Duty Neodyiu... Size: 60 x 10 x 3mm (2.36 x 0.4 x 0.12). The tolerances is 0.2mm x 0.2mm. 4. Packaging content 4 Pack Black Bar Magnets, 4 Pack Double-Sided Adhesive. 5. Kind reminder The strong magnet bar is very fragile, it is forbidden to collide with other metal objects (including another magnet), so be careful when you are trying separte them ! The powerful heavy duty magnet is very fragile and its magnetism is very strong, it is forbidden to collide with other metal objects (including another magnet), so be careful when you try to separate magnets! Flat Magnets 4 Pcs Strong Neodymium Bar Magnets, Strong Powerful Rectangular Rare Earth Magnets Strips With Double-Sided Adhesive For Crafts, Fridge, Science Magnet Strips Application Industrial MagnetFishing Deep Sea Salvage Magnet.