40x20mm Super Strong Neodymium Disc Magnet, Powerful Magnet Disc Permanent Rare Earth Magnets for Science Project Building Fridge Craft and Office (

40x20mm Super Strong Neodymium Disc Magnet, Powerful Magnet Disc Permanent Rare Earth Magnets for Science Project Building Fridge Craft and Office (

🧲MAGNETS DIMENSIONS - Diameter: 40mm/1.6inch, Thickness: 20mm/0.8inch. Tolerances: ±0.2mm x ±0.2mm. 🧲HIGH QUALITY - Made from strong neodymium-iron-boron alloy (NdFeB) and have a stylish nickel coating (Ni-Cu-Ni) with an appealing silver surface. All the magnets are magnetized axially and have a maximal operating temperature of 80℃/176℉. 🧲EXTREME DURABILITY - Ni+Cu+Ni Triple layer coated. The best coating is available for rust resistant and providing a smooth finish which greatly increases the longevity of the magnets. 🧲POWERFUL MAGNET - Made from super strong magnetic element, the neodymium magnets are incredibly powerful and great to handle your project or task. 🧲VERSATILE USE - These rare earth magnets can be used for fastening, lifting, hanging objects, refrigerator magnets, shower door, office, scientific purposes, arts crafts or school classroom. It’s fun especially to search for items like eyebolt, screws, hooks and fasteners in your warehouse, garage or yard. 40x20mm Super Strong Neodymium Disc Magnet