ECENCE Neodymium magnets 50 round self adhesive stick on 0.31x0.04inch NiCuNi coating disc

EXTREMELY STRONG: The small 0.31x0.04inch-sized magnets have a strong magnetic attraction. They are ideal for making fridge magnets or as magnetic fasteners for books and folders. SELF-ADHESIVE BACK: The round magnets are covered with an adhesive film on one side. Thanks to this adhesive tape, the neodymium magnets stick to any smooth surface. ATTENTION the magnets are not suitable for glass magnet boards or glass magnet boards. HIGH-QUALITY FINISH: The self-adhesive magnets have a triple nickel-copper-nickel coating (NiCuNi). This makes them extremely resistant to moisture and other influences. STRONG ADHESION: The round magnets boast an impressive level of adhesion. They have a magnetic strength grade of N35. If you were to stick them together, it would be very difficult to separate them. The magnets are heat-resistant up to 80°C. VARIOUS APPLICATIONS: For example, you can use the magnets for crafting and DIY purposes, as fridge magnets, as a shower door seal, in the office, at school, and for scientific purposes.