Neodymium Bar Magnets, 20x5x2mm 50Pcs Small Strong Rare Earth Magnets, Strong Rectangular Magnetic Bar, Mini Powerful Magnets for Crafts, Fridge, Science, Office and Tool Storage

• 【HIGHER QUALITY】Strong magnet bars are made of neodymium iron boron magnetic material. Neodymium magnets are attracted to various materials made of ferromagnetic elements and remain permanently strongly magnetic! • 【SUPERIOR MAGNETS COATED】Neodymium bar magnets is coated with three layers of ni+cu+ni, so they provides a shiny and rust resistant protection for rectangle magnets. Strong small magnets are sturdy and reliable,when you separate the super magnet, be careful and slide gently. • 【MAGNET SIZE】The magnetic bar dimension is 20mm x5mm x 2mm(0.78x0.19x0.07inch), tolerances: ±0.2mm x ±0.2mm. Each set comes with 50pcs bar magnet and a box for your convenient storage and makes square magnets more sturable. • 【WIDE APPLICATION】Our cute magnets are small but powerful. These strong magnets can be used in our daily life: refrigerator magnets, tool storage, photos display, work or office. Thin magnets can also be used for scientific experiments, locker suction or diy projects.Use these tiny magnets to make your life more convenient!