depth increase

Blackdog is fully compatible with Fisher metal detectors. All customers who want to improve their Fisher, acquire the blackdog coils, since it improves the performance and features of the detector, it also offers greater lightness compared to other brands, so you can search for more hours with it. The type of plate does not vary the frequency of the detector at any time, which makes it easier to find in a wider range of terrain, it also makes it easier to find deeper objects and greater power.