When choosing a coil there are a few basics to remember that relate to the size, shape, configuration and frequency (X-TERRA series) of the coil. Trying to figure out which coil is best for your needs can be difficult, but with our extensive Metal Detector Coil Guide we make it easy. In detail we will go through the different sizes, shapes, configuration and frequencies so you can make an informed decision and get the coil that will work best for your needs, environment and soil conditions. Visit our Metal Detector Coil Guide to learn more!