20 piezas Anillo Fuerte Imán D:7*4 mm Agujero Contrahundido: 2 mm Tierra Rara Neodimio N50
G rade: N50. Size: D: 7mm x H:4mm, hole: 2mm. Super strong Rare-Earth magnets - once they get stuck with each other, they are hard to break apart. > 20 x magnets. n order to better display the products,the image has been amplified.