These alnico magnets are encased in red and blue plastic to provide extra durability. Each magnet measures 80 x 15 x 10mm. Shipped as a pair. Additional Info: These alnico magnets are encased in red and blue plastic to provide extra durability. Each magnet measures 80 x 15 x 10mm. Shipped as a pair. Package Size(L x W x H): 3.25 X 1.25 X 0.25 (IN) Categories: Magnetism, Magnets HTS Code: 8505.11.0000 UNSPSC: 3.138e+007 Country Of Origin: INDIA