NEL Tornado 12" x 13" For Garrett AT Pro Series Metal DetectorsCoil Tornado is the most famous NEL coil. It is "golden" in finding coins, treasures and artifacts in the field of military battles in any territory. The coil is unusually light for its size, only 560 g, which makes it easy to search for a whole day! Working with a slow swing will maximize its ability in finding not only large and medium targets but small targets which weigh less than 1g as well. This coil is superior to standard coil in depth by 25%