Magnetic rod AlNiCo grade 5 magnet rod 1" dai x 8" axially magnetized . Alnico is an alloy containing Aluminium (Al), Nickel (Ni), Cobalt (Co) hence its name Alnico. Alnico magnets were developed in the 1930's This Alnico magnet is produced by a casting method. The as cast is acceptable for many applications and the ground surface of this magnet has a bright silvery metallic surface and is extremely smooth. Don't see the size you need ? Not sure if its the best material for your application? Need size not listed or cast magnet or quantity pricing ? Please call or email us we can help :)