This is a neodymium magnet with strong 3M adhesive backing exported to overseas customers these days, N52 high performance grade, shape is square, specific size is length and width of 12mm, thickness of 3mm, surface magnetic strength of 3000 gauss or so, according to the customer's requirements in the S-pole stickers, such as you have a neodymium magnet with adhesive backing welcome to ask us for quotations.
12x12x3mm square with adhesive back strong neodymium magnet sample display

Other rare earth magnets with 3M adhesive;
Ferrite grade, sintered ferrite magnetic property parameter table
NdFeB magnet grade, Sintered neodymium magnet performance grade parameter table
Neodymium(Ndfeb) Magnet Material Safety Data Sheet
Sintered Ferrite Material Safety Data Sheet Pdf
Magnetic properties grade parameters of smco rare earth magnets
This product is a strong neodymium magnet with a diameter of 2mm. The surface is nickel-plated and magnetized in the axial direction. The surface magnetic field strength is about 3850gs, and the pulling force is about 0.04kg....
The magnet is an ultra-thin powerful magnet, with a diameter of 8mm, a thickness of 0.4mm, standard tolerance, through 0.4-thick axial magnetization, nickel-copper-nickel plating, if you are looking for this ultra-thin round magnet, you can contact our company for You provide, the size can be modified and processed according to your requirements....
This is a small cylindrical neodymium magnet with a diameter of 4mm and a thickness of 4mm, N35 grade, axial magnetization (can also be radially magnetized), nickel-copper-nickel coating on the surface, pulling force approximately 0.5kg,...
This is a thin rectangular block neodymium magnet, the specific specifications are length 40mm, width 25mm, thickness 1.5mm, strong magnetic force, N35 grade, magnetized in the thickness direction, suitable for ceiling lamps, crafts, home furnishing, electronic products, can be matched with 3M back glue to use....
The 18mm countersunk magnet ring (18x5x5mm) is made from high-quality neodymium material, offering strong and stable magnetic force. Its inner hole design features a countersunk hole, allowing direct screw mounting for easy and secure installation that is unlikely to loosen....
This is a semi-circular neodymium magnet made of rare earth neodymium material. It has a standard semi-circular diameter, equivalent to cutting a circular magnet into two halves. It has a diameter of 25.4 mm and a thickness of 3 mm. Its special feature is its magnetization direction...
This 15mm cube neodymium magnet features a 6mm round hole and is made from high-performance neodymium material, offering powerful magnetism and excellent corrosion resistance....