Nel Big Coil 15" x 17" for Fisher F70 & F75

Including:

• coil cover
• fitting kit

Dimensions:

• Size: 15” x 17” (38 x 43 cm)
• Weight: 920 g

The Coil Big is the deepest coil worldwide, specially designed for various metal detectors. Independent experts have confirmed its depth capabilities through tests on multiple forums and by metal-detecting enthusiasts during search meetings. This coil is highly recommended for deep searching, as it excels in locating large and small targets, even those weighing as little as 1g, at depths of up to 25 cm.

With a 50% increase in depth performance compared to standard coils and a ground coverage extension of up to 40%, the Coil Big outperforms other options in open terrain. Its construction is fully submersible, with the body filled with epoxy resin and coated in a protective black layer commonly used for marine boats.

The Coil Big demonstrates remarkable capabilities in handling high and medium soil salinity, making it ideal for professional use.