This is a pair of disk head assemblies in a clear plastic box.. It consists of a steel arm to which a spring steel assembly is mounted. At the end of the assembly is another spring steel support holding a white ceramic disk with a diameter of approximately .625 in. The ceramic disk has two small hoes and a vertical magnetic head embedded in it. There is a twisted cable that connects the head to a 4-pin male connector at the other end of the arm.
