This AlNiCo Grade 5 Bar Magnet can be used for a variety of science projects and experiments demonstrating magnetism, magnetic forces, etc.
This magnet measures 1/2" in diameter and is 3" long. It is a basic Alnico cow magnet with a bright, metal finish. The poles are at each end.
Cow magnets received their names from their use with diary farmers and veterinarians to help prevent hardware disease in the cattle.