Coil Attack is the deepest coil, which is confirmed by tests of independent experts in the various forums and searchers metal detecting meetings! It is recommended as a coil for deep searching. The coil is excellent for finding large targets as well as for small targets which weigh 1g and more at 25 cm deep. This coil is superior to standard coil in depth by 45% and in ground coverage of between 40%. This coil is recommended for use in open terrain. Coil is fully submersible, body is filled with epoxy resin and additionally has a black protective coating that is used for the protection of marine boats, and it makes it possible to use the coil without a coil cover. The Attack coil copes excellently with high and medium soil salinity. Recommended for professionals.