Minelab 12x15 coil wire something

[lamarc]

What is this object on the minelab coil were the red arrow is pointing, an what is it for.

[lucifer]

Looks like a ferrite bead to me. It's used to reduce high frequency noise.
http://en.wikipedia.org/wiki/Ferrite_bead

[Rov]

What Minelab Coil is this Off??
a Blurry Pic means nothing! I can cross a ferrite Bead on cable cross anything ,an then ask??Off a VLF machine?DD coil or Mono of Pi Unit??..39+ posts an you still cant be more specific??minelab dont make a 12X15 something?? this Eliptical?