Sigel GL704 SuperDym magnets C10"Extra-Strong", cube design, silver, 20x 0.39x0.79 inches, 2 pcs. SuperDym magnets C10 "Extra-Strong", cube design, silver, 20x 0.39x0.79 inches, 2 pcs. // Format: 20x 0.39x0.79 inches // Material: Neodym, highly polished aluminium